/**
 * Contains key of semantic attributes.
 */
export declare class AirbridgeAttribute {
    static get ACTION(): string;
    static get LABEL(): string;
    static get VALUE(): string;
    static get CURRENCY(): string;
    static get PRODUCTS(): string;
    static get PERIOD(): string;
    static get IS_RENEWAL(): string;
    static get RENEWAL_COUNT(): string;
    static get PRODUCT_LIST_ID(): string;
    static get CART_ID(): string;
    static get TRANSACTION_ID(): string;
    static get TRANSACTION_TYPE(): string;
    static get TRANSACTION_PAIRED_EVENT_CATEGORY(): string;
    static get TRANSACTION_PAIRED_EVENT_TIMESTAMP(): string;
    static get TOTAL_QUANTITY(): string;
    static get QUERY(): string;
    static get IN_APP_PURCHASED(): string;
    static get CONTRIBUTION_MARGIN(): string;
    static get LIST_ID(): string;
    static get RATE_ID(): string;
    static get RATE(): string;
    static get MAX_RATE(): string;
    static get ACHIEVEMENT_ID(): string;
    static get SHARED_CHANNEL(): string;
    static get DATE_TIME(): string;
    static get DESCRIPTION(): string;
    static get IS_REVENUE(): string;
    static get PLACE(): string;
    static get SCHEDULE_ID(): string;
    static get TYPE(): string;
    static get LEVEL(): string;
    static get SCORE(): string;
    static get PRODUCT_ID(): string;
    static get PRODUCT_NAME(): string;
    static get PRODUCT_PRICE(): string;
    static get PRODUCT_QUANTITY(): string;
    static get PRODUCT_CURRENCY(): string;
    static get PRODUCT_POSITION(): string;
    static get PRODUCT_CATEGORY_ID(): string;
    static get PRODUCT_CATEGORY_NAME(): string;
    static get PRODUCT_BRAND_ID(): string;
    static get PRODUCT_BRAND_NAME(): string;
    static get AD_PARTNERS(): string;
    static get IS_FIRST_PER_USER(): string;
}