OptionalinitiatorThe initiator URL (if any) for the hypothetical request.
OptionalmethodStandard HTTP method of the hypothetical request.
OptionaltabThe ID of the tab in which the hypothetical request takes place. Does not need to correspond to a real tab ID. Default is -1, meaning that the request isn't related to a tab.
The resource type of the hypothetical request.
The URL of the hypothetical request.
The details of the request to test.