public void addChore(@Nullable ProcedureInMemoryChore<TEnvironment> chore) {
    if (chore == null) {
      return;
    }
    chore.setState(ProcedureState.WAITING_TIMEOUT);
    timeoutExecutor.add(chore);
  }
Add a chore procedure to the executor
@param chore the chore to add
hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.java