| Package | Description | 
|---|---|
| org.apache.hadoop.hdfs.server.federation.store.protocol | Contains the abstract definitions of the API request and response objects for
 the various state store APIs. | 
| org.apache.hadoop.hdfs.server.federation.store.protocol.impl.pb | Protobuf implementations of FederationProtocolBase request/response objects
 used by state store APIs. | 
| Modifier and Type | Method and Description | 
|---|---|
| static RouterHeartbeatRequest | RouterHeartbeatRequest. newInstance() | 
| static RouterHeartbeatRequest | RouterHeartbeatRequest. newInstance(RouterState router) | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | RouterHeartbeatRequestPBImplProtobuf implementation of the state store API object
 RouterHeartbeatRequest. | 
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