text: public virtual DescribeGlobalReplicationGroupsResponse DescribeGlobalReplicationGroups(DescribeGlobalReplicationGroupsRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeGlobalReplicationGroupsRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeGlobalReplicationGroupsResponseUnmarshaller.Instance;return Invoke<DescribeGlobalReplicationGroupsResponse>(request, options);}