export declare const getBackgroundFetchData: (args: import("@hylid/types").AsyncCallback<{
    fetchType: "pre" | "jsapiPre";
    timestamp: number;
    fetchedData: Record<string, unknown>;
} & {
    fetchType: "pre" | "jsapiPre";
}>) => void;
export default getBackgroundFetchData;
export declare const getBackgroundFetchDataAsync: (args?: import("@hylid/types").AsyncCallback<{
    fetchType: "pre" | "jsapiPre";
    timestamp: number;
    fetchedData: Record<string, unknown>;
} & {
    fetchType: "pre" | "jsapiPre";
}> | undefined) => Promise<{
    fetchType: "pre" | "jsapiPre";
    timestamp: number;
    fetchedData: Record<string, unknown>;
} & {
    fetchType: "pre" | "jsapiPre";
}>;