protoiface

type ExtensionDescV1 struct {
	// Type is the descriptor type for the extension field using the v2 API.
	// If populated, the information in this field takes precedence over
	// all other fields in ExtensionDescV1.
	Type protoreflect.ExtensionType

	// ExtendedType is a typed nil-pointer to the parent message type that
	// is being extended. It is possible for this to be unpopulated in v2
	// since the message may no longer implement the MessageV1 interface.
	//
	// Deprecated: Use Type.ExtendedType instead.
	ExtendedType MessageV1

	// ExtensionType is zero value of the extension type.
	//
	// For historical reasons, reflect.TypeOf(ExtensionType) and Type.GoType
	// may not be identical:
	//	* for scalars (except []byte), where ExtensionType uses *T,
	//	while Type.GoType uses T.
	//	* for repeated fields, where ExtensionType uses []T,
	//	while Type.GoType uses *[]T.
	//
	// Deprecated: Use Type.GoType instead.
	ExtensionType interface{}

	// Field is the field number of the extension.
	//
	// Deprecated: Use Type.Number instead.
	Field int32

	// Name is the fully qualified name of extension.
	//
	// Deprecated: Use Type.FullName instead.
	Name string

	// Tag is the protobuf struct tag used in the v1 API.
	//
	// Deprecated: Do not use.
	Tag string

	// Filename is the proto filename in which the extension is defined.
	//
	// Deprecated: Use Type.Parent to ascend to the top-most parent and use
	// protoreflect.FileDescriptor.Path.
	Filename string
}

type ExtensionRangeV1 struct {
	Start, End int32 // both inclusive
}

type MarshalOptions struct {
	AllowPartial  bool
	Deterministic bool
	UseCachedSize bool

	pragma.NoUnkeyedLiterals
}

type MessageV1 interface {
	Reset()
	String() string
	ProtoMessage()
}

type MethodFlag int64

type Methoder interface {
	XXX_Methods() *Methods // may return nil
}

type Methods struct {
	// Flags indicate support for optional features.
	Flags MethodFlag

	// MarshalAppend appends the wire-format encoding of m to b, returning the result.
	// It does not perform required field checks.
	MarshalAppend func(b []byte, m protoreflect.ProtoMessage, opts MarshalOptions) ([]byte, error)

	// Size returns the size in bytes of the wire-format encoding of m.
	Size func(m protoreflect.ProtoMessage) int

	// Unmarshal parses the wire-format message in b and places the result in m.
	// It does not reset m or perform required field checks.
	Unmarshal func(b []byte, m protoreflect.ProtoMessage, opts UnmarshalOptions) error

	// IsInitialized returns an error if any required fields in m are not set.
	IsInitialized func(m protoreflect.ProtoMessage) error

	pragma.NoUnkeyedLiterals
}

type UnmarshalOptions struct {
	AllowPartial   bool
	DiscardUnknown bool

	pragma.NoUnkeyedLiterals
}