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module RBS
  interface _MethodName
    def kind: () -> (:instance | :singleton)

    def type_name: () -> TypeName

    def method_name: () -> Symbol
  end

  module MethodNameHelper : _MethodName
    def method_name_string: () -> String
  end

  class InvalidTypeApplicationError < StandardError
    attr_reader type_name: TypeName
    attr_reader args: Array[Types::t]
    attr_reader params: Array[Symbol]
    attr_reader location: Location?

    def initialize: (type_name: TypeName, args: Array[Types::t], params: Array[Symbol], location: Location?) -> void

    def self.check!: (type_name: TypeName, args: Array[Types::t], params: Array[Symbol], location: Location?) -> void
  end

  class RecursiveAncestorError < StandardError
    attr_reader ancestors: Array[Definition::Ancestor::t]
    attr_reader location: Location

    def initialize: (ancestors: Array[Definition::Ancestor::t], location: Location?) -> void

    def self.check!: (Definition::Ancestor::t, ancestors: Array[Definition::Ancestor::t], location: Location?) -> void
  end

  class NoTypeFoundError < StandardError
    attr_reader type_name: TypeName
    attr_reader location: Location?

    def initialize: (type_name: TypeName, location: Location?) -> void

    def self.check!: (TypeName, env: Environment, location: Location?) -> TypeName
  end

  class NoSuperclassFoundError < StandardError
    attr_reader type_name: TypeName
    attr_reader location: Location?

    def initialize: (type_name: TypeName, location: Location?) -> void

    def self.check!: (TypeName, env: Environment, location: Location?) -> void
  end

  class NoSelfTypeFoundError < StandardError
    attr_reader type_name: TypeName
    attr_reader location: Location?

    def initialize: (type_name: TypeName, location: Location?) -> void

    def self.check!: (AST::Declarations::Module::Self, env: Environment) -> void
  end

  class NoMixinFoundError < StandardError
    attr_reader type_name: TypeName
    attr_reader member: AST::Members::t

    def initialize: (type_name: TypeName, member: AST::Members::t) -> void

    def location: () -> Location?

    def self.check!: (TypeName, env: Environment, member: AST::Members::t) -> void
  end

  class DuplicatedMethodDefinitionError < StandardError
    type ty = Types::ClassSingleton | Types::ClassInstance | Types::Interface
    type original = DefinitionBuilder::MethodBuilder::Methods::Definition::original

    attr_reader type: ty
    attr_reader method_name: Symbol
    attr_reader members: Array[original]

    def initialize: (type: ty, method_name: Symbol, members: Array[original]) -> void

    def qualified_method_name: () -> String

    def location: () -> Location?

    def other_locations: () -> Array[Location?]
  end

  class DuplicatedInterfaceMethodDefinitionError < StandardError
    type ty = Types::ClassSingleton | Types::ClassInstance | Types::Interface
    type mixin_member = AST::Members::Include | AST::Members::Extend

    attr_reader type: ty
    attr_reader method_name: Symbol
    attr_reader member: mixin_member

    def initialize: (type: ty, method_name: Symbol, member: mixin_member) -> void

    def qualified_method_name: () -> String
  end

  class UnknownMethodAliasError < StandardError
    attr_reader original_name: Symbol
    attr_reader aliased_name: Symbol
    attr_reader location: Location?

    def initialize: (original_name: Symbol, aliased_name: Symbol, location: Location?) -> void
  end

  class SuperclassMismatchError < StandardError
    attr_reader name: TypeName
    attr_reader entry: Environment::ClassEntry

    def initialize: (name: TypeName, entry: Environment::ClassEntry) -> void
  end

  class InvalidOverloadMethodError < StandardError
    attr_reader type_name: TypeName
    attr_reader method_name: Symbol
    attr_reader kind: :instance | :singleton
    attr_reader members: Array[AST::Members::MethodDefinition]

    def initialize: (type_name: TypeName, method_name: Symbol, kind: :instance | :singleton, members: Array[AST::Members::MethodDefinition]) -> void
  end

  class GenericParameterMismatchError < StandardError
    attr_reader name: TypeName
    attr_reader decl: AST::Declarations::Class | AST::Declarations::Module

    def initialize: (name: TypeName, decl: AST::Declarations::Class | AST::Declarations::Module) -> void
  end

  class DuplicatedDeclarationError < StandardError
    attr_reader name: TypeName | Symbol
    attr_reader decls: Array[AST::Declarations::t]

    def initialize: (TypeName | Symbol, *AST::Declarations::t) -> void
  end

  class InvalidVarianceAnnotationError < StandardError
    attr_reader type_name: TypeName
    attr_reader param: AST::Declarations::ModuleTypeParams::TypeParam
    attr_reader location: Location?

    def initialize: (type_name: TypeName, param: AST::Declarations::ModuleTypeParams::TypeParam, location: Location?) -> void
  end

  class RecursiveAliasDefinitionError < StandardError
    type ty = Types::ClassInstance | Types::ClassSingleton | Types::Interface
    type defn = DefinitionBuilder::MethodBuilder::Methods::Definition

    attr_reader type: ty
    attr_reader defs: Array[defn]

    def initialize: (type: ty, defs: Array[defn]) -> void

    def location: () -> Location?
  end
end