text: public virtual int Stem(char[] s, int len){if (len < 4) {return len;}int origLen = len;len = Rule0(s, len);len = Rule1(s, len);len = Rule2(s, len);len = Rule3(s, len);len = Rule4(s, len);len = Rule5(s, len);len = Rule6(s, len);len = Rule7(s, len);len = Rule8(s, len);len = Rule9(s, len);len = Rule10(s, len);len = Rule11(s, len);len = Rule12(s, len);len = Rule13(s, len);len = Rule14(s, len);len = Rule15(s, len);len = Rule16(s, len);len = Rule17(s, len);len = Rule18(s, len);len = Rule19(s, len);len = Rule20(s, len);if (len == origLen){len = Rule21(s, len);}return Rule22(s, len);}