code: public void marshall(DevEndpoint devEndpoint, ProtocolMarshaller protocolMarshaller) {
  
          if (devEndpoint == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(devEndpoint.getEndpointName(), ENDPOINTNAME_BINDING);
              protocolMarshaller.marshall(devEndpoint.getRoleArn(), ROLEARN_BINDING);
              protocolMarshaller.marshall(devEndpoint.getSecurityGroupIds(), SECURITYGROUPIDS_BINDING);
              protocolMarshaller.marshall(devEndpoint.getSubnetId(), SUBNETID_BINDING);
              protocolMarshaller.marshall(devEndpoint.getYarnEndpointAddress(), YARNENDPOINTADDRESS_BINDING);
              protocolMarshaller.marshall(devEndpoint.getPrivateAddress(), PRIVATEADDRESS_BINDING);
              protocolMarshaller.marshall(devEndpoint.getZeppelinRemoteSparkInterpreterPort(), ZEPPELINREMOTESPARKINTERPRETERPORT_BINDING);
              protocolMarshaller.marshall(devEndpoint.getPublicAddress(), PUBLICADDRESS_BINDING);
              protocolMarshaller.marshall(devEndpoint.getStatus(), STATUS_BINDING);
              protocolMarshaller.marshall(devEndpoint.getNumberOfNodes(), NUMBEROFNODES_BINDING);
              protocolMarshaller.marshall(devEndpoint.getAvailabilityZone(), AVAILABILITYZONE_BINDING);
              protocolMarshaller.marshall(devEndpoint.getVpcId(), VPCID_BINDING);
              protocolMarshaller.marshall(devEndpoint.getExtraPythonLibsS3Path(), EXTRAPYTHONLIBSS3PATH_BINDING);
              protocolMarshaller.marshall(devEndpoint.getExtraJarsS3Path(), EXTRAJARSS3PATH_BINDING);
              protocolMarshaller.marshall(devEndpoint.getFailureReason(), FAILUREREASON_BINDING);
              protocolMarshaller.marshall(devEndpoint.getLastUpdateStatus(), LASTUPDATESTATUS_BINDING);
              protocolMarshaller.marshall(devEndpoint.getCreatedTimestamp(), CREATEDTIMESTAMP_BINDING);
              protocolMarshaller.marshall(devEndpoint.getLastModifiedTimestamp(), LASTMODIFIEDTIMESTAMP_BINDING);
              protocolMarshaller.marshall(devEndpoint.getPublicKey(), PUBLICKEY_BINDING);
              protocolMarshaller.marshall(devEndpoint.getPublicKeys(), PUBLICKEYS_BINDING);
              protocolMarshaller.marshall(devEndpoint.getSecurityConfiguration(), SECURITYCONFIGURATION_BINDING);
              protocolMarshaller.marshall(devEndpoint.getArguments(), ARGUMENTS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.