{Object} [options.parameters] Any extra query parameters to append to the URL.
{Object} [options.parameters] Any extra query parameters to append to the URL. {String} [options.callbackParameterName='callback'] The callback parameter name that the server expects. {Proxy} [options.proxy] A proxy to use for the request. This object is expected to have a getURL function which returns the proxied URL, if needed.
{String|Promise.<String>} options.url The URL of the data, or a promise for the URL.
{String|Promise.<String>} options.url The URL of the data, or a promise for the URL. {String} [options.responseType] The type of response. This controls the type of item returned. {String} [options.method='GET'] The HTTP method to use. {String} [options.data] The data to send with the request, if any. {Object} [options.headers] HTTP headers to send with the request, if any. {String} [options.overrideMimeType] Overrides the MIME type returned by the server.