ExtensionRequestFnForJSON creates a function for the specified appID which creates a function which takes in a version and returns an XML request.

ExtensionRequestFnForTwoJSON creates a function for the specified appIDs which creates a function which takes in the appID versions and returns an XML request.

ExtensionRequestFnForTwoXML creates a function for the specified appIDs which creates a function which takes in the appID versions and returns an XML request.

ExtensionRequestFnForXML creates a function for the specified appID which creates a function which takes in a version and returns an XML request.