Constant SWIFT 

pub const SWIFT: &str = r#"
    (function_declaration
      name: (simple_identifier) @name) @function

    (class_declaration
      name: (type_identifier) @name) @class

    (struct_declaration
      name: (type_identifier) @name) @struct

    (enum_declaration
      name: (type_identifier) @name) @enum

    (protocol_declaration
      name: (type_identifier) @name) @protocol
"#;

Swift symbol extraction query