question: return the filename extensions that are recognized by one of our subclasses . concode_field_sep Factory[] sSubclassFactories concode_elem_sep File mInputFile concode_elem_sep char[] HEX_CHARS concode_elem_sep ArrayList<String> sSupportedExtensions concode_elem_sep HashMap<String,Factory> sExtensionMap concode_elem_sep ProgressListener mProgressListener concode_field_sep boolean isFilenameSupported concode_elem_sep void WriteFile concode_elem_sep int[] getFrameOffsets concode_elem_sep void setProgressListener concode_elem_sep int getFileSizeBytes concode_elem_sep int getSampleRate concode_elem_sep void ReadFile concode_elem_sep int getSeekableFrameOffset concode_elem_sep String computeMd5OfFirst10Frames concode_elem_sep String bytesToHex concode_elem_sep int[] getFrameLens concode_elem_sep int getAvgBitrateKbps concode_elem_sep int getChannels concode_elem_sep CheapSoundFile create concode_elem_sep CheapSoundFile create concode_elem_sep int getNumFrames concode_elem_sep int[] getFrameGains concode_elem_sep boolean reportProgress concode_elem_sep String getFiletype concode_elem_sep int getSamplesPerFrame
target: String [ ] function ( ) { return sSupportedExtensions . toArray ( new String [ sSupportedExtensions . size ( ) ] ) ; }