Looks for ADDITIONAL_PARAMS in the paramMap, if it finds a parameter by that
name, it assumes that it is a query string, it parses the query string,
and adds the components of the query string to this class's parameter map.
Deprecated.Adds a feedback parameter for prompts based on an Action Parameter. Uses
the Selections defined in the Action Parameter for the options and sets
the default to the current value
Creates a new runtime context that is a child of this instance and sets
attributes of the runtime data from the parameter Map, and can
optionally cause the new instance to be forcibly written to the
underlying persistence mechanism.