Struct graphql_tools::validation::utils::ValidationErrorContext

pub struct ValidationErrorContext {
    pub errors: Vec<ValidationError>,
}

Fields

errors: Vec<ValidationError>

Implementations

impl ValidationErrorContext

pub fn new() -> ValidationErrorContext

pub fn report_error(&mut self, error: ValidationError)

Trait Implementations

impl Debug for ValidationErrorContext

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'a> OperationVisitor<'a, ValidationErrorContext> for FieldsOnCorrectType

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    operation: &OperationDefinition
)

fn enter_field(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    field: &Field
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for FragmentsOnCompositeTypes

fn enter_inline_fragment(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    inline_fragment: &InlineFragment
)

fn enter_fragment_definition(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    fragment_definition: &FragmentDefinition
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a OperationDefinition
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for KnownArgumentNames<'a>

fn enter_directive(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    directive: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    _: &Directive
)

fn enter_field(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    field: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    _: &Field
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    (argument_name, _argument_value): &(String, Value)
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a OperationDefinition
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for KnownDirectives

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    operation_definition: &OperationDefinition
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    _: &OperationDefinition
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    _: &Field
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    _: &FragmentDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    _: &FragmentDefinition
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    _: &FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    _: &InlineFragment
)

fn enter_directive(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'a>,
    user_context: &mut ValidationErrorContext,
    directive: &Directive
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for KnownFragmentNames

fn enter_fragment_spread(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    fragment_spread: &FragmentSpread
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a OperationDefinition
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for KnownTypeNames

fn enter_fragment_definition(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    fragment_definition: &FragmentDefinition
)

fn enter_inline_fragment(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    inline_fragment: &InlineFragment
)

fn enter_variable_definition(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    variable_definition: &VariableDefinition
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a OperationDefinition
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for LeafFieldSelections

fn enter_field(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    field: &Field
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a OperationDefinition
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for LoneAnonymousOperation

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    document: &Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a OperationDefinition
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for NoFragmentsCycle

fn enter_fragment_definition(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    fragment: &FragmentDefinition
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a OperationDefinition
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for NoUndefinedVariables<'a>

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    operation_definition: &'a OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    fragment_definition: &'a FragmentDefinition
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    fragment_spread: &'a FragmentSpread
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    variable_definition: &'a VariableDefinition
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    (_arg_name, arg_value): &'a (String, Value)
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    _: &Document
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for NoUnusedFragments<'a>

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    fragment_spread: &'a FragmentSpread
)

fn leave_document(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    _document: &Document
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a OperationDefinition
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for NoUnusedVariables<'a>

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    operation_definition: &'a OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    fragment_definition: &'a FragmentDefinition
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    fragment_spread: &'a FragmentSpread
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    variable_definition: &'a VariableDefinition
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    (_arg_name, arg_value): &'a (String, Value)
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    _: &Document
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for OverlappingFieldsCanBeMerged<'a>

fn enter_document(
    &mut self,
    _visitor_context: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    document: &'a Document
)

fn enter_selection_set(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'a>,
    user_context: &mut ValidationErrorContext,
    selection_set: &'a SelectionSet
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a OperationDefinition
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for PossibleFragmentSpreads

fn enter_inline_fragment(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    _inline_fragment: &InlineFragment
)

fn enter_fragment_spread(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    fragment_spread: &FragmentSpread
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a OperationDefinition
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for ProvidedRequiredArguments

fn enter_field(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    field: &Field
)

fn enter_directive(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    directive: &Directive
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a OperationDefinition
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for SingleFieldSubscriptions

fn enter_operation_definition(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    operation: &OperationDefinition
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for UniqueArgumentNames

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    field: &Field
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    directive: &Directive
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a OperationDefinition
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for UniqueDirectivesPerLocation

fn enter_operation_definition(
    &mut self,
    ctx: &mut OperationVisitorContext<'a>,
    err_ctx: &mut ValidationErrorContext,
    operation: &OperationDefinition
)

fn enter_field(
    &mut self,
    ctx: &mut OperationVisitorContext<'a>,
    err_ctx: &mut ValidationErrorContext,
    field: &Field
)

fn enter_fragment_definition(
    &mut self,
    ctx: &mut OperationVisitorContext<'a>,
    err_ctx: &mut ValidationErrorContext,
    fragment: &FragmentDefinition
)

fn enter_fragment_spread(
    &mut self,
    ctx: &mut OperationVisitorContext<'a>,
    err_ctx: &mut ValidationErrorContext,
    fragment_spread: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    ctx: &mut OperationVisitorContext<'a>,
    err_ctx: &mut ValidationErrorContext,
    inline_fragment: &InlineFragment
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for UniqueFragmentNames<'a>

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    fragment: &'a FragmentDefinition
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a OperationDefinition
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for UniqueOperationNames<'a>

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    operation_definition: &'a OperationDefinition
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for UniqueVariableNames<'a>

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    _: &mut ValidationErrorContext,
    _operation_definition: &OperationDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    variable_definition: &'a VariableDefinition
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for ValuesOfCorrectType

fn enter_null_value(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'a>,
    user_context: &mut ValidationErrorContext,
    _: ()
)

fn enter_object_value(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'a>,
    user_context: &mut ValidationErrorContext,
    object_value: &BTreeMap<String, Value>
)

fn enter_enum_value(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'a>,
    user_context: &mut ValidationErrorContext,
    value: &String
)

fn enter_scalar_value(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'a>,
    user_context: &mut ValidationErrorContext,
    value: &Value
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a OperationDefinition
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a VariableDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for VariablesAreInputTypes

fn enter_variable_definition(
    &mut self,
    context: &mut OperationVisitorContext<'_>,
    user_context: &mut ValidationErrorContext,
    variable_definition: &VariableDefinition
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Document
)

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a OperationDefinition
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a FragmentSpread
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a str
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

impl<'a> OperationVisitor<'a, ValidationErrorContext> for VariablesInAllowedPosition<'a>

fn leave_document(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'a>,
    user_context: &mut ValidationErrorContext,
    _: &Document
)

fn enter_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    fragment_definition: &'a FragmentDefinition
)

fn enter_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    operation_definition: &'a OperationDefinition
)

fn enter_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    fragment_spread: &'a FragmentSpread
)

fn enter_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    variable_definition: &'a VariableDefinition
)

fn enter_variable_value(
    &mut self,
    visitor_context: &mut OperationVisitorContext<'a>,
    _: &mut ValidationErrorContext,
    variable_name: &'a str
)

fn enter_document(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a Document
)

fn leave_operation_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &OperationDefinition
)

fn leave_fragment_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentDefinition
)

fn leave_variable_definition(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &VariableDefinition
)

fn enter_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn leave_directive(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Directive
)

fn enter_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a (String, Value)
)

fn leave_argument(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn enter_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &'a SelectionSet
)

fn leave_selection_set(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &SelectionSet
)

fn enter_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Field
)

fn leave_fragment_spread(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &FragmentSpread
)

fn enter_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn leave_inline_fragment(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &InlineFragment
)

fn enter_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn leave_null_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: ()
)

fn enter_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn leave_scalar_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Value
)

fn enter_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_enum_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn leave_variable_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &String
)

fn enter_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn leave_list_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &Vec<Value>
)

fn enter_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn leave_object_value(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &BTreeMap<String, Value>
)

fn enter_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)

fn leave_object_field(
    &mut self,
    _: &mut OperationVisitorContext<'a>,
    _: &mut UserContext,
    _: &(String, Value)
)