Sets the duration specified by the given start and optional end positions
Optionalend: numberAdds the operation data for an end operation specified by the given system name
Adds the operation data for an end operation specified by the given type
Adds the operation data for a start operation specified by the given system name
Adds the operation data for a start operation specified by the given type
Returns a copy of the internal state of the ActionCreator
The unique id of the action
Returns the fluent scope back to the ActionCreatorFactory
A factory that assists in creating a timeline action