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// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import '../../../protobuf.dart' show BuilderInfo;
/// Note that this class does not claim to implement [Map]. Instead, this needs
/// to be specified using a dart_options.imports clause specifying MapMixin as a
/// parent mixin to PbMapMixin.
/// Since PbMapMixin is built in, this is done automatically, so this mixin can
/// be enabled by specifying only a dart_options.mixin option.
mixin PbMapMixin {
// GeneratedMessage properties and methods used by this mixin.
BuilderInfo get info_;
void clear();
int? getTagNumber(String fieldName);
dynamic getField(int tagNumber);
void setField(int tagNumber, Object value);
dynamic operator [](Object? key) {
if (key is! String) return null;
final tag = getTagNumber(key);
if (tag == null) return null;
return getField(tag);
void operator []=(Object? key, Object? val) {
final tag = getTagNumber(key as String);
if (tag == null) {
throw ArgumentError.value(key, 'key',
"field '$key' not found in ${info_.qualifiedMessageName}");
setField(tag, val!);
Iterable<String> get keys => info_.byName.keys;
bool containsKey(Object? key) => info_.byName.containsKey(key);
int get length => info_.byName.length;
dynamic remove(Object? key) {
throw UnsupportedError(
'remove() not supported by ${info_.qualifiedMessageName}');