@Override
    public ListMulticastGroupsResult listMulticastGroups(ListMulticastGroupsRequest request) {
        request = beforeClientExecution(request);
        return executeListMulticastGroups(request);
    }
<p>
Lists the multicast groups registered to your AWS account.
</p>

@param listMulticastGroupsRequest
@return Result of the ListMulticastGroups operation returned by the service.
@throws ValidationException
        The input did not meet the specified constraints.
@throws AccessDeniedException
        User does not have permission to perform this action.
@throws InternalServerException
        An unexpected error occurred while processing a request.
@throws ThrottlingException
        The request was denied because it exceeded the allowed API request rate.
@sample AWSIoTWireless.ListMulticastGroups
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/iotwireless-2020-11-22/ListMulticastGroups"
     target="_top">AWS API Documentation</a>
aws-java-sdk-iotwireless/src/main/java/com/amazonaws/services/iotwireless/AWSIoTWirelessClient.java