The type of request on which to register the handler
Function to register to run on requests
OptionalrequestDocs: SingleMethodDocumentationDocumentation for this requestType
OptionalrequestHandlerOptions: NetworkMethodHandlerOptionsOptions to change the behavior of the request handler
Promise that resolves if the request successfully registered and unsubscriber function to run to stop the passed-in function from handling requests
Register a local request handler to run on requests.