code: public void marshall(DescribeLogStreamsRequest describeLogStreamsRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (describeLogStreamsRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(describeLogStreamsRequest.getLogGroupName(), LOGGROUPNAME_BINDING);
              protocolMarshaller.marshall(describeLogStreamsRequest.getLogStreamNamePrefix(), LOGSTREAMNAMEPREFIX_BINDING);
              protocolMarshaller.marshall(describeLogStreamsRequest.getOrderBy(), ORDERBY_BINDING);
              protocolMarshaller.marshall(describeLogStreamsRequest.getDescending(), DESCENDING_BINDING);
              protocolMarshaller.marshall(describeLogStreamsRequest.getNextToken(), NEXTTOKEN_BINDING);
              protocolMarshaller.marshall(describeLogStreamsRequest.getLimit(), LIMIT_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.