src/vs/workbench/api/browser/mainThreadLanguages.ts/MainThreadLanguages/constructor
class MainThreadLanguages:	constructor(
		_extHostContext: IExtHostContext,
		@IModeService private readonly _modeService: IModeService,
		@IModelService private readonly _modelService: IModelService,
		@ITextModelService private _resolverService: ITextModelService,
	) {
	}