question: returns the number of bytes available for reading from the current position . concode_field_sep int markPosition concode_elem_sep ParsableByteArray buffer concode_elem_sep int readPosition concode_elem_sep int writePosition concode_elem_sep int capacity concode_field_sep int drainToOutput concode_elem_sep void read concode_elem_sep boolean readAllowingEndOfInput concode_elem_sep boolean ensureLoaded concode_elem_sep void returnToMark concode_elem_sep void reset concode_elem_sep ParsableByteArray getParsableByteArray concode_elem_sep void skip concode_elem_sep boolean readInternal concode_elem_sep void mark
target: int function ( ) { return writePosition - readPosition ; }