The context for a plugin execution.
:: AlpineSdkApi :: Control the behavior of the operator GUI node within the editor.
A listener can be used to pass messages from the plugin operators to the UI console.
:: AlpineSdkApi :: Object that is returned by the "get metadata" method in the plugin signature class.
:: AlpineSdkApi :: Interface for accessing the parameter values for an operator.
:: AlpineSdkApi :: A separate instance of operator plugin runtime gets instantiated for each 'run' of the workflow (or a 'step-run').
:: AlpineSdkApi ::
This is the required return type for the onInputOrParameterChange function in OperatorGUINode class.