InvocableHandlerMethod(handlerMethod: HandlerMethod)
Create an instance from a HandlerMethod.
InvocableHandlerMethod(bean: Any, method: Method)
Create an instance from a bean instance and a method.
InvocableHandlerMethod(bean: Any, methodName: String, vararg parameterTypes: Class<*>)
Construct a new handler method with the given bean instance, method name and parameters.
parameterTypes - the method parameter types