src/vs/workbench/services/workingCopy/common/resourceWorkingCopy.ts/ResourceWorkingCopy/constructor
class ResourceWorkingCopy:	constructor(
		readonly resource: URI,
		@IFileService protected readonly fileService: IFileService
	) {
		super();

		this._register(this.fileService.onDidFilesChange(e => this.onDidFilesChange(e)));
	}