default void preAbortProcedure(ObserverContext<MasterCoprocessorEnvironment> ctx,
    final long procId) throws IOException {
  }
Called before a abortProcedure request has been processed.
@param ctx    the environment to interact with the framework and master
@param procId the Id of the procedure
hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/MasterObserver.java