@InterfaceAudience.Public
| Interface | Description | 
|---|---|
| AMRMClientAsync.CallbackHandler | Deprecated Use  AMRMClientAsync.AbstractCallbackHandlerinstead. | 
| NMClientAsync.CallbackHandler | Deprecated Use  NMClientAsync.AbstractCallbackHandlerinstead. | 
| Class | Description | 
|---|---|
| AMRMClientAsync<T extends AMRMClient.ContainerRequest> | AMRMClientAsynchandles communication with the ResourceManager
 and provides asynchronous updates on events such as container allocations and
 completions. | 
| AMRMClientAsync.AbstractCallbackHandler | 
 The callback abstract class. | 
| NMClientAsync | NMClientAsynchandles communication with all the NodeManagers
 and provides asynchronous updates on getting responses from them. | 
| NMClientAsync.AbstractCallbackHandler | 
 The callback abstract class. | 
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