Official Docs: sn_ws_int

These objects are relevant to Scripted REST APIs and are accessed via the request or response input parameters to Scripted APIs

RESTAPIRequest

Allows you to access request details in Scripted REST APIs

RESTAPIRequestBody

Allows you to access the request body as a stream, as a string, de-serialized into an object, or as an array of obects

RESTAPIResponse

Allows you to configure the HTTP response in Scripted REST APIs

RESTAPIResponseStream

Allows you to write streams or strings directly to the response stream in a Scripted REST API

WSRequest

Provides access to request input parameters

WSResponse

Allows setting response output parameters

WSSoapRequestDocument

SOAP request object as a DOM Document or XMLDocument2 (for new application scope)

WSSoapRequestXML

SOAP request object as a String