org.apache.hadoop.hbase.coprocessor
Interfaces 
CoprocessorService
MasterCoprocessorEnvironment
MasterObserver
RegionCoprocessorEnvironment
RegionObserver
RegionServerCoprocessorEnvironment
RegionServerObserver
WALCoprocessorEnvironment
WALObserver
Classes 
AggregateImplementation
BaseMasterObserver
BaseRegionObserver
BaseRowProcessorEndpoint
ColumnInterpreter
CoprocessorClassLoader
CoprocessorHost
CoprocessorHost.Environment
MultiRowMutationEndpoint
ObserverContext