OptionalstatusStaticprefixedReturn an array listing the events for which the emitter has registered listeners.
Return the number of listeners listening to a given event.
Remove all listeners, or those of the specified event.
Optionalevent: "cancel" | "goal"Send a feedback message.
The feedback to send to the client.
Set action state to aborted and return to client.
The result to return to the client.
Handle case where client requests preemption.
Set action state to succeeded and return to client.
The result to return to the client.
An actionlib action server client.
Emits the following events: