| Interface | Description | 
|---|---|
| AuxiliaryLocalPathHandler | An Interface that can retrieve local directories to read from or write to. | 
| ContainerLogAggregationPolicy | This API is used by NodeManager to decide if a given container's logs
 should be aggregated at run time. | 
| ResourceManagerAdministrationProtocol | |
| SCMAdminProtocol | 
 The protocol between administrators and the  SharedCacheManager | 
| SCMAdminProtocolPB | 
| Class | Description | 
|---|---|
| ApplicationInitializationContext | Initialization context for  AuxiliaryServicewhen starting an
 application. | 
| ApplicationTerminationContext | Initialization context for  AuxiliaryServicewhen stopping an
 application. | 
| AuxiliaryService | A generic service that will be started by the NodeManager. | 
| ContainerContext | Base context class for  AuxiliaryServiceinitializing and stopping a
 container. | 
| ContainerInitializationContext | Initialization context for  AuxiliaryServicewhen starting a
 container. | 
| ContainerLogContext | Context class for  ContainerLogAggregationPolicy. | 
| ContainerTerminationContext | Termination context for  AuxiliaryServicewhen stopping a
 container. | 
| Enum | Description | 
|---|---|
| ContainerType | Container property encoding allocation and execution semantics. | 
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