export type CacheRuleTtl = number | keyof typeof PredefinedTtl;
export declare function parseCacheRuleTtl(ttl: CacheRuleTtl): number | undefined;
declare const PredefinedTtl: {
    readonly default: undefined;
    readonly off: 0;
    readonly minute: 60;
    readonly hour: 3600;
    readonly day: 86400;
    readonly week: 604800;
    readonly month: 2592000;
};
export {};
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