export declare const CACHE_DURATION: {
    /** 5 seconds: for data that changes quickly. */
    SHORT: number;
    /** 15 seconds: for data that is best refreshed occasionally. */
    MEDIUM: number;
    /** 30 seconds: for data that doesn't need constant polling. */
    LONG: number;
    /** 1 minute: for data that gets changed, if you're lucky. */
    BOOMER: number;
    /** 5 minutes: for data that usually doesn't get changed. */
    GLACIER: number;
};