question: unregisters an encoding concode_field_sep String _GIF_EXTENSION concode_elem_sep String GIF_TYPE concode_elem_sep ImageEncoderManager _sDefaultInstance concode_elem_sep ArrayMap<String,String> _extensions concode_elem_sep String _PNG_EXTENSION concode_elem_sep String PNG_TYPE concode_elem_sep ArrayMap<String,Object> _encoders concode_field_sep void _registerDefaultEncodings concode_elem_sep ImageEncoder getImageEncoder concode_elem_sep void registerEncoding concode_elem_sep void registerEncoding concode_elem_sep ImageEncoderManager getDefaultImageEncoderManager concode_elem_sep String getImageExtension
target: void function ( String arg0 ) { synchronized ( this ) { _encoders . remove ( arg0 ) ; _extensions . remove ( arg0 ) ; } }