question: empties this buffer . concode_field_sep char[] fContent concode_elem_sep boolean fIsHashCached concode_elem_sep Map<CharacterBuffer,IToken> fWords concode_elem_sep IWordDetector fDetector concode_elem_sep int fLength concode_elem_sep List<WordMatcher> fMatchers concode_elem_sep int UNDEFINED concode_elem_sep CharacterBuffer fBuffer concode_elem_sep int fHashCode concode_elem_sep IToken fDefaultToken concode_elem_sep int fColumn concode_field_sep void addWord concode_elem_sep void setColumnConstraint concode_elem_sep void clearWords concode_elem_sep void unreadBuffer concode_elem_sep void addWordMatcher concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep boolean equals concode_elem_sep int length concode_elem_sep String toString concode_elem_sep IToken evaluate concode_elem_sep IToken evaluate concode_elem_sep void append concode_elem_sep char charAt
target: void function ( ) { fIsHashCached = false ; fLength = 0 ; }