149     private static void validateProjection(Set<String> allowed, String[] projection) {  in validateProjection()  argument
150         if (projection == null || allowed.containsAll(Arrays.asList(projection))) {  in validateProjection()
153         Set<String> invalidColumns = new LinkedHashSet<>(Arrays.asList(projection));  in validateProjection()
240     public Cursor query(@NonNull Uri uri, @Nullable String[] projection, @Nullable Bundle queryArgs,  in query()  argument
250                 return queryElementaryFiles(projection);  in query()
253                         projection);  in query()
255                 return querySimRecords(PhonebookArgs.forSimRecords(uri, queryArgs), projection);  in query()
258                         projection);  in query()
266     public Cursor query(@NonNull Uri uri, @Nullable String[] projection, @Nullable String selection,  in query()  argument
274     public Cursor query(@NonNull Uri uri, @Nullable String[] projection, @Nullable String selection,  in query()  argument
279     private Cursor queryElementaryFiles(String[] projection) {  in queryElementaryFiles()  argument
280         validateProjection(ELEMENTARY_FILES_COLUMNS_SET, projection);  in queryElementaryFiles()
281         if (projection == null) {  in queryElementaryFiles()
282             projection = ELEMENTARY_FILES_ALL_COLUMNS;  in queryElementaryFiles()
285         MatrixCursor result = new MatrixCursor(projection);  in queryElementaryFiles()
296                 return new MatrixCursor(projection, 0);  in queryElementaryFiles()
302     private Cursor queryElementaryFilesItem(PhonebookArgs args, String[] projection) {  in queryElementaryFilesItem()  argument
303         validateProjection(ELEMENTARY_FILES_COLUMNS_SET, projection);  in queryElementaryFilesItem()
304         if (projection == null) {  in queryElementaryFilesItem()
305             projection = ELEMENTARY_FILES_ALL_COLUMNS;  in queryElementaryFilesItem()
308         MatrixCursor result = new MatrixCursor(projection);  in queryElementaryFilesItem()
317             return new MatrixCursor(projection, 0);  in queryElementaryFilesItem()
359     private Cursor querySimRecords(PhonebookArgs args, String[] projection) {  in querySimRecords()  argument
360         validateProjection(SIM_RECORDS_COLUMNS_SET, projection);  in querySimRecords()
362         if (projection == null) {  in querySimRecords()
363             projection = SIM_RECORDS_ALL_COLUMNS;  in querySimRecords()
368             return new MatrixCursor(projection, 0);  in querySimRecords()
370         MatrixCursor result = new MatrixCursor(projection, records.size());  in querySimRecords()
379         for (String column : projection) {  in querySimRecords()
414     private Cursor querySimRecordsItem(PhonebookArgs args, String[] projection) {  in querySimRecordsItem()  argument
415         validateProjection(SIM_RECORDS_COLUMNS_SET, projection);  in querySimRecordsItem()
416         if (projection == null) {  in querySimRecordsItem()
417             projection = SIM_RECORDS_ALL_COLUMNS;  in querySimRecordsItem()
422         MatrixCursor result = new MatrixCursor(projection, 1);  in querySimRecordsItem()