@Override
    public DescribeParameterGroupsResult describeParameterGroups(DescribeParameterGroupsRequest request) {
        request = beforeClientExecution(request);
        return executeDescribeParameterGroups(request);
    }
<p>
Returns a list of parameter group descriptions. If a parameter group name is specified, the list contains only
the descriptions for that group.
</p>

@param describeParameterGroupsRequest
@return Result of the DescribeParameterGroups operation returned by the service.
@throws ParameterGroupNotFoundException
@throws ServiceLinkedRoleNotFoundException
@throws InvalidParameterValueException
@throws InvalidParameterCombinationException
@sample AmazonMemoryDB.DescribeParameterGroups
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/memorydb-2021-01-01/DescribeParameterGroups"
     target="_top">AWS API Documentation</a>
aws-java-sdk-memorydb/src/main/java/com/amazonaws/services/memorydb/AmazonMemoryDBClient.java