29     abstract int getProperties(int ch);  in getProperties()
30     abstract int getType(int ch);  in getType()
31     abstract boolean isDigit(int ch);  in isDigit()
32     abstract boolean isLowerCase(int ch);  in isLowerCase()
33     abstract boolean isUpperCase(int ch);  in isUpperCase()
34     abstract boolean isWhitespace(int ch);  in isWhitespace()
35     abstract boolean isMirrored(int ch);  in isMirrored()
36     abstract boolean isJavaIdentifierStart(int ch);  in isJavaIdentifierStart()
37     abstract boolean isJavaIdentifierPart(int ch);  in isJavaIdentifierPart()
38     abstract boolean isUnicodeIdentifierStart(int ch);  in isUnicodeIdentifierStart()
39     abstract boolean isUnicodeIdentifierPart(int ch);  in isUnicodeIdentifierPart()
40     abstract boolean isIdentifierIgnorable(int ch);  in isIdentifierIgnorable()
41     abstract int toLowerCase(int ch);  in toLowerCase()
42     abstract int toUpperCase(int ch);  in toUpperCase()
43     abstract int toTitleCase(int ch);  in toTitleCase()
44     abstract int digit(int ch, int radix);  in digit()
45     abstract int getNumericValue(int ch);  in getNumericValue()
46     abstract byte getDirectionality(int ch);  in getDirectionality()
49     int toUpperCaseEx(int ch) {  in toUpperCaseEx()
53     char[] toUpperCaseCharArray(int ch) {  in toUpperCaseCharArray()
57     boolean isOtherLowercase(int ch) {  in isOtherLowercase()
61     boolean isOtherUppercase(int ch) {  in isOtherUppercase()
65     boolean isOtherAlphabetic(int ch) {  in isOtherAlphabetic()
69     boolean isIdeographic(int ch) {  in isIdeographic()
79     static final CharacterData of(int ch) {  in of()