@InterfaceAudience.Private
| Class | Description | 
|---|---|
| DistributedSchedulingAllocateRequest | Object used by the Application Master when distributed scheduling is enabled,
 in order to forward the  AllocateRequestfor GUARANTEED containers to
 the Resource Manager, and to notify the Resource Manager about the allocation
 of OPPORTUNISTIC containers through the Distributed Scheduler. | 
| DistributedSchedulingAllocateResponse | This is the response of the Resource Manager to the
  DistributedSchedulingAllocateRequest, when distributed scheduling is
 enabled. | 
| GetTimelineCollectorContextRequest | |
| GetTimelineCollectorContextResponse | |
| LogAggregationReport | LogAggregationReportis a report for log aggregation status
 in one NodeManager of an application. | 
| NMContainerStatus | NMContainerStatus includes the current information of a container. | 
| NodeHeartbeatRequest | |
| NodeHeartbeatResponse | Node Manager's heartbeat response. | 
| RegisterDistributedSchedulingAMResponse | This is the response to registering an Application Master when distributed
 scheduling is enabled. | 
| RegisterNodeManagerRequest | |
| RegisterNodeManagerResponse | Node Manager's register response. | 
| RemoteNode | This class is used to encapsulate the  NodeIdas well as the HTTP
 address that can be used to communicate with the Node. | 
| ReportNewCollectorInfoRequest | |
| ReportNewCollectorInfoResponse | |
| SCMUploaderCanUploadRequest | 
 The request from the NodeManager to the  SharedCacheManagerthat
 requests whether it can upload a resource in the shared cache. | 
| SCMUploaderCanUploadResponse | 
 The response from the SharedCacheManager to the NodeManager that indicates
 whether the NodeManager can upload the resource to the shared cache. | 
| SCMUploaderNotifyRequest | 
 The request from the NodeManager to the  SharedCacheManagerthat
 notifies that a resource has been uploaded to the shared cache. | 
| SCMUploaderNotifyResponse | 
 The response from the SharedCacheManager to the NodeManager that indicates
 whether the NodeManager needs to delete the cached resource it was sending
 the notification for. | 
| UnRegisterNodeManagerRequest | Node Manager's unregister request. | 
| UnRegisterNodeManagerResponse | Node Manager's unregister response. | 
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