code: protected MBeanOperationInfo getOperationInfo(ExecutableMethod method) {
          return new MBeanOperationInfo(method.getMethodName(), getMethodDescription(method), getParameters(method), getReturnType(method), getImpact(method));
      }
docs: Returns the operation information.
  @see MBeanInfo#getOperations()
  
  @param method The method
  @return The operation information