/// An enum to be used to mark the essential (for polling) fields in an
/// API-specific Operation object. A custom Operation object may contain many
/// different fields, but only few of them are essential to conduct a successful
/// polling process.
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
#[repr(i32)]
pub enum OperationResponseMapping {
/// Do not use.
Undefined = 0,
/// A field in an API-specific (custom) Operation object which carries the same
/// meaning as google.longrunning.Operation.name.
Name = 1,
/// A field in an API-specific (custom) Operation object which carries the same
/// meaning as google.longrunning.Operation.done. If the annotated field is of
/// an enum type, `annotated_field_name == EnumType.DONE` semantics should be
/// equivalent to `Operation.done == true`. If the annotated field is of type
/// boolean, then it should follow the same semantics as Operation.done.
/// Otherwise, a non-empty value should be treated as `Operation.done == true`.
Status = 2,
/// A field in an API-specific (custom) Operation object which carries the same
/// meaning as google.longrunning.Operation.error.code.
ErrorCode = 3,
/// A field in an API-specific (custom) Operation object which carries the same
/// meaning as google.longrunning.Operation.error.message.
ErrorMessage = 4,
}