### Question:
RegexMatcher implements ValueConverter<String> { public String valuePattern() { return pattern.pattern(); } RegexMatcher( String pattern, int flags ); static ValueConverter<String> regex( String pattern ); String convert( String value ); Class<String> valueType(); String valuePattern();  }### Answer:
@Test public void shouldGiveCorrectValuePattern() { assertEquals( "abc", abc.valuePattern() ); }