code: private Method getMethod(final MBeanOperationInfo op) {
      final MBeanParameterInfo[] params = op.getSignature();
      final String[] paramTypes = new String[params.length];
      for (int i = 0; i < params.length; i++) {
        paramTypes[i] = params[i].getType();
      }
  
      return getMethod(getMBeanInterface(), op.getName(), paramTypes);
    }
docs: Extracts the Method from the MBeanOperationInfo
  @param op
  @return