code: public MethodDoc getMatchingMethod(MethodDoc method) {
  
          MethodDoc[] methods = getMethods();
          for (int i = 0; i < methods.length; i++) {
  
              if (method.getName().equals(methods[i].getName()) &&
                  method.getSignature().equals(methods[i].getSignature())) {
  
                  return methods[i];
              }
          }
          return null;
      }
docs: Get a MethodDoc in this ClassDoc with a name and signature
  matching that of the specified MethodDoc