public StringBuilder stem(CharSequence word) {CharSequence cmd = stemmer.getLastOnPath(word);if (cmd == null)return null;buffer.setLength(0);buffer.append(word);Diff.apply(buffer, cmd);if (buffer.length() > 0)return buffer;elsereturn null;}

public StringBuilder Stem(string word){string cmd = stemmer.GetLastOnPath(word);if (cmd == null)return null;buffer.Length = 0;buffer.Append(word);Diff.Apply(buffer, cmd);if (buffer.Length > 0)return buffer;elsereturn null;}
