code: protected boolean memberIsMoreSpecific (Member first, Member second)
      {
          Class<?>[] firstParamTypes = _paramMap.get(first);
          Class<?>[] secondParamTypes = _paramMap.get(second);
          return ClassUtil.compatibleClasses(secondParamTypes, firstParamTypes);
      }
docs: @param first a Member.
  @param second a Member.
  
  @return true if the first Member is more specific than the second, false otherwise.
  Specificity is determined according to the procedure in the Java Language Specification,
  section 15.12.2.