/**
 * Contains category of standard events.
 */
export declare class AirbridgeCategory {
    static get SIGN_UP(): string;
    static get SIGN_IN(): string;
    static get SIGN_OUT(): string;
    static get HOME_VIEWED(): string;
    static get PRODUCT_LIST_VIEWED(): string;
    static get SEARCH_RESULTS_VIEWED(): string;
    static get PRODUCT_VIEWED(): string;
    static get ADD_PAYMENT_INFO(): string;
    static get ADD_TO_WISHLIST(): string;
    static get ADDED_TO_CART(): string;
    static get INITIATE_CHECKOUT(): string;
    static get ORDER_COMPLETED(): string;
    static get ORDER_CANCELED(): string;
    static get START_TRIAL(): string;
    static get SUBSCRIBE(): string;
    static get UNSUBSCRIBE(): string;
    static get AD_IMPRESSION(): string;
    static get AD_CLICK(): string;
    static get COMPLETE_TUTORIAL(): string;
    static get ACHIEVE_LEVEL(): string;
    static get UNLOCK_ACHIEVEMENT(): string;
    static get RATE(): string;
    static get SHARE(): string;
    static get SCHEDULE(): string;
    static get SPEND_CREDITS(): string;
}