export declare const MAX_TTL_API_VALUE = 2147483647;
export declare enum TimeLetterKind {
    Second = "S",
    Hour = "H",
    Day = "D",
    Week = "W",
    Month = "M",
    Year = "Y"
}
export declare const VALID_LETTERS: string[];
export declare enum MultiplyByKind {
    Second = 1,
    Hour = 3600,
    Day = 86400,
    Week = 604800,
    /**
     * @note not accurate for calendar year, accurate is 2628000, this uses week * 4.
     */
    Month = 2419200,
    /**
     * @note not accurate for calendar year, accurate is 31540000, this uses month * 12.
     */
    Year = 29030400
}
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