@Test public void WS() { assertTrue(WS.contains(' ')); }
public boolean contains(char ch) { return chars.contains(ch); }
CharSet { public boolean contains(char ch) { return chars.contains(ch); } }
CharSet { public boolean contains(char ch) { return chars.contains(ch); } private  CharSet(String chars); }
CharSet { public boolean contains(char ch) { return chars.contains(ch); } private  CharSet(String chars); static CharSet getInstance(String chars); boolean contains(char ch); }
CharSet { public boolean contains(char ch) { return chars.contains(ch); } private  CharSet(String chars); static CharSet getInstance(String chars); boolean contains(char ch);  }