provider_store.dart

...

class ApiProvidersScope extends InheritedWidget {
  const ApiProvidersScope({
    required final this.store,
    required super.child,
  });

  final ApiProviderStore store;

  static ApiProviderStore of(BuildContext context) {
    final inhW = context.getElementForInheritedWidgetOfExactType<ApiProvidersScope>()?.widget;

    return inhW is ApiProvidersScope ? inhW.store : _throwNotInitializedYet();
  }

  @alwaysThrows
  static Never _throwNotInitializedYet() => throw UnsupportedError('ApiProvidersScope not found');

  @override
  bool updateShouldNotify(final ApiProvidersScope oldWidget) => false;

  @override
  void debugFillProperties(DiagnosticPropertiesBuilder properties) {
    super.debugFillProperties(properties);
    properties
      ..add(StringProperty('type', 'ApiProvidersScope'))
      ..add(DiagnosticsProperty('store', store));
  }
}

class ApiProviderStoreImpl with DiagnosticableTreeMixin implements ApiProviderStore {
  ApiProviderStoreImpl({required HttpClient client}) : _client = client;

  final HttpClient _client;

  CandidateApiProvider? _candidate;
  CompanyApiProvider? _company;
  ConfigurationApiProvider? _configuration;
  DictionaryApiProvider? _dictionary;
  ExpeditorCarrierContractApiProvider? _expeditorCarrierContract;
  ExpeditorContractConclusionApiProvider? _expeditorContractConclusion;
  MessageApiProvider? _message;
  OrderDocumentApiProvider? _orderDocument;
  OrderDocumentPackageApiProvider? _orderDocumentPackage;
  OrderDraftExpeditorApiProvider? _orderDraftExpeditor;
  WorkerApiProvider? _worker;

  @override
  CandidateApiProvider get candidate => _candidate ??= CandidateApiProvider(_client);

  @override
  CompanyApiProvider get company => _company ??= CompanyApiProvider(_client);

  @override
  ConfigurationApiProvider get configuration =>
      _configuration ??= ConfigurationApiProvider(_client);

  @override
  DictionaryApiProvider get dictionary => _dictionary ??= DictionaryApiProvider(_client);

  @override
  ExpeditorCarrierContractApiProvider get expeditorCarrierContract =>
      _expeditorCarrierContract ??= ExpeditorCarrierContractApiProvider(_client);

  @override
  ExpeditorContractConclusionApiProvider get expeditorContractConclusion =>
      _expeditorContractConclusion ??= ExpeditorContractConclusionApiProvider(_client);

  @override
  MessageApiProvider get message => _message ??= MessageApiProvider(_client);

  @override
  OrderDocumentApiProvider get orderDocument =>
      _orderDocument ??= OrderDocumentApiProvider(_client);

  @override
  OrderDocumentPackageApiProvider get orderDocumentPackage =>
      _orderDocumentPackage ??= OrderDocumentPackageApiProvider(_client);

  @override
  OrderDraftExpeditorApiProvider get orderDraftExpeditor =>
      _orderDraftExpeditor ??= OrderDraftExpeditorApiProvider(_client);

  @override
  WorkerApiProvider get worker => _worker ??= WorkerApiProvider(_client);

  @override
  void debugFillProperties(DiagnosticPropertiesBuilder properties) {
    super.debugFillProperties(properties);
    properties
      ..add(StringProperty('type', 'ApiProviderStore'))
      ..add(DiagnosticsProperty('candidate', candidate))
      ..add(DiagnosticsProperty('company', company))
      ..add(DiagnosticsProperty('configuration', configuration))
      ..add(DiagnosticsProperty('dictionary', dictionary))
      ..add(DiagnosticsProperty('expeditorCarrierContract', expeditorCarrierContract))
      ..add(DiagnosticsProperty('expeditorContractConclusion', expeditorContractConclusion))
      ..add(DiagnosticsProperty('message', message))
      ..add(DiagnosticsProperty('orderDocument', orderDocument))
      ..add(DiagnosticsProperty('orderDocumentPackage', orderDocumentPackage))
      ..add(DiagnosticsProperty('orderDraftExpeditor', orderDraftExpeditor))
      ..add(DiagnosticsProperty('worker', worker));
  }
}

abstract class ApiProviderStore {
  CandidateApiProvider get candidate;

  CompanyApiProvider get company;

  ConfigurationApiProvider get configuration;

  DictionaryApiProvider get dictionary;

  ExpeditorCarrierContractApiProvider get expeditorCarrierContract;

  ExpeditorContractConclusionApiProvider get expeditorContractConclusion;

  MessageApiProvider get message;

  OrderDocumentApiProvider get orderDocument;

  OrderDocumentPackageApiProvider get orderDocumentPackage;

  OrderDraftExpeditorApiProvider get orderDraftExpeditor;

  WorkerApiProvider get worker;
}