src/vs/workbench/api/browser/mainThreadDocumentContentProviders.ts/MainThreadDocumentContentProviders/constructor
class MainThreadDocumentContentProviders:	constructor(
		extHostContext: IExtHostContext,
		@ITextModelService private readonly _textModelResolverService: ITextModelService,
		@ILanguageService private readonly _languageService: ILanguageService,
		@IModelService private readonly _modelService: IModelService,
		@IEditorWorkerService private readonly _editorWorkerService: IEditorWorkerService
	) {
		this._proxy = extHostContext.getProxy(ExtHostContext.ExtHostDocumentContentProviders);
	}