whenHEAD(url, [headers], [keys]); Creates a new backend definition for HEAD requests. For more info see when().

whenRoute(method, url); Creates a new backend definition that compares only with the requested route.

whenGET(url, [headers], [keys]); Creates a new backend definition for GET requests. For more info see when().

whenPUT(url, [data], [headers], [keys]); Creates a new backend definition for PUT requests. For more info see when().

whenPOST(url, [data], [headers], [keys]); Creates a new backend definition for POST requests. For more info see when()

whenDELETE(url, [headers], [keys]); Creates a new backend definition for DELETE requests. For more info see when().

whenJSONP(url, [keys]); Creates a new backend definition for JSONP requests. For more info see when().

whenPATCH(url, [data], [headers], [keys]); Creates a new backend definition for PATCH requests. For more info see when()

when(method, url, [data], [headers], [keys]); Creates a new backend definition. Parameters