export declare const sendApiUrl: string;
export declare const getReceiptsApiUrl: string;
/**
 * The max number of push notifications to be sent at once. Since we can't automatically upgrade
 * everyone using this library, we should strongly try not to decrease it.
 */
export declare const pushNotificationChunkLimit = 100;
/**
 * The max number of push notification receipts to request at once.
 */
export declare const pushNotificationReceiptChunkLimit = 300;
/**
 * The default max number of concurrent HTTP requests to send at once and spread out the load,
 * increasing the reliability of notification delivery.
 */
export declare const defaultConcurrentRequestLimit = 6;
/**
 * Minimum timeout in ms for request retries.
 */
export declare const requestRetryMinTimeout = 1000;