src/vs/workbench/services/workingCopy/common/workingCopyFileService.ts/WorkingCopyFileService/addSaveParticipant
class WorkingCopyFileService:	addSaveParticipant(participant: IStoredFileWorkingCopySaveParticipant): IDisposable {
		return this.saveParticipants.addSaveParticipant(participant);
	}