src/vs/workbench/api/common/extHostDiagnostics.ts/ExtHostDiagnostics/constructor
class ExtHostDiagnostics:	constructor(
		mainContext: IMainContext,
		@ILogService private readonly _logService: ILogService,
		@IExtHostFileSystemInfo private readonly _fileSystemInfoService: IExtHostFileSystemInfo,
		private readonly _extHostDocumentsAndEditors: ExtHostDocumentsAndEditors,
	) {
		this._proxy = mainContext.getProxy(MainContext.MainThreadDiagnostics);
	}