return "CharMatcher.javaLowerCase()";
    }
  }

  /** Implementation of {@link #javaIsoControl()}. */
  private static final class JavaIsoControl extends NamedFastMatcher {

    static final CharMatcher INSTANCE = new JavaIsoControl();

    private JavaIsoControl() {
      super("CharMatcher.javaIsoControl()");
    }

    @Override
    public boolean matches(char c) {