Generic message used to acknowledge an action. This is usually required by
non-root session pages to ensure that the root session is still active.
Due to its usage, this message must always have an attached _deputyRespondsTo,
provided by LowLevelOneWayDeputyMessage. Otherwise, it is useless as it is
not listened for except as a response.
Generic message used to acknowledge an action. This is usually required by non-root session pages to ensure that the root session is still active.
Due to its usage, this message must always have an attached
_deputyRespondsTo, provided byLowLevelOneWayDeputyMessage. Otherwise, it is useless as it is not listened for except as a response.