src/vs/workbench/services/workingCopy/common/workingCopyFileService.ts/WorkingCopyFileService/runSaveParticipants
class WorkingCopyFileService:	runSaveParticipants(workingCopy: IStoredFileWorkingCopy<IStoredFileWorkingCopyModel>, context: { reason: SaveReason }, token: CancellationToken): Promise<void> {
		return this.saveParticipants.participate(workingCopy, context, token);
	}