src/vs/workbench/services/textfile/common/textFileEditorModel.ts/TextFileEditorModel/setOrphaned
class TextFileEditorModel:	private setOrphaned(orphaned: boolean): void {
		if (this.inOrphanMode !== orphaned) {
			this.inOrphanMode = orphaned;
			this._onDidChangeOrphaned.fire();
		}
	}