src/vs/workbench/services/workingCopy/common/resourceWorkingCopy.ts/ResourceWorkingCopy/setOrphaned
class ResourceWorkingCopy:	protected setOrphaned(orphaned: boolean): void {
		if (this.orphaned !== orphaned) {
			this.orphaned = orphaned;

			this._onDidChangeOrphaned.fire();
		}
	}