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