/guava/guava/src/com/google/common/base/Ascii.java
return String.toCharArray( ) ;
return String.valueOf ( chars ) ;
for (; i < length; i++) { char c = chars[i]; if (isUpperCase(c)) { chars[i] = (char) (c ^ CASE_MASK); } } <extra_id_0> } } return string; } public static String toLowerCase(CharSequence chars) { if (chars instanceof String) {