public synchronized StringBuffer append(char[] chars, int start, int length) {append0(chars, start, length);return this;}

public synchronized StringBuffer append ( char [ ] chars , int start , int length ) { append0 ( chars , start , length ) ; return this ; }
public java.lang.StringBuffer append(char[] chars, int start, int length_1){lock (this){append0(chars, start, length_1);return this;}}
