src/vs/workbench/api/browser/mainThreadEditors.ts/MainThreadTextEditors/$trySetOptions
class MainThreadTextEditors:	$trySetOptions(id: string, options: ITextEditorConfigurationUpdate): Promise<void> {
		const editor = this._documentsAndEditors.getEditor(id);
		if (!editor) {
			return Promise.reject(disposed(`TextEditor(${id})`));
		}
		editor.setConfiguration(options);
		return Promise.resolve(undefined);
	}