question: get the file length in bytes . concode_field_sep float divisionType concode_elem_sep int UNKNOWN_LENGTH concode_elem_sep long microsecondLength concode_elem_sep int type concode_elem_sep int resolution concode_elem_sep int byteLength concode_field_sep int getResolution concode_elem_sep long getMicrosecondLength concode_elem_sep int getType concode_elem_sep float getDivisionType
target: int function ( ) { return byteLength ; }