@Override
    public DescribeReservedNodesResult describeReservedNodes(DescribeReservedNodesRequest request) {
        request = beforeClientExecution(request);
        return executeDescribeReservedNodes(request);
    }
<p>
Returns information about reserved nodes for this account, or about a specified reserved node.
</p>

@param describeReservedNodesRequest
@return Result of the DescribeReservedNodes operation returned by the service.
@throws ReservedNodeNotFoundException
        The requested node does not exist.
@throws ServiceLinkedRoleNotFoundException
@throws InvalidParameterValueException
@throws InvalidParameterCombinationException
@sample AmazonMemoryDB.DescribeReservedNodes
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/memorydb-2021-01-01/DescribeReservedNodes" target="_top">AWS
     API Documentation</a>
aws-java-sdk-memorydb/src/main/java/com/amazonaws/services/memorydb/AmazonMemoryDBClient.java