/**
 * Reports the user last known location.
 *
 * @param latitude - Latitude of user last known location. Must be between -90 and 90 inclusive.
 * @param longitude - Longitude of user last known location. Must be between -180 and 180 inclusive.
 * @param accuracy - Optional - Accuracy of user last known location. Must be >=0.
 * @param altitude - Optional - Altitude of user last known location.
 * @param altitudeAccuracy - Optional - Accuracy of altitude of user last known location. Must be >=0.
 *
 * @returns Resolves to a boolean that indicates whether the update was successfully enqueued. Resolves to undefined
 *   if the SDK is not initialized.
 */
export declare const setUserLastKnownLocation: (latitude: number, longitude: number, accuracy?: number, altitude?: number, altitudeAccuracy?: number) => Promise<boolean | undefined>;