export declare const DEFAULT_API_KEY_EXPIRATION_INTERVALS: readonly [30, 90];
export declare const API_KEY_EXPIRATION_SECONDS_PER_DAY: number;
export type ApiKeyExpirationOptions = {
    /**
     * Expiration intervals to offer, in days.
     *
     * Keep these values within the `minExpiresIn` and `maxExpiresIn` limits in
     * the matching Better Auth API key server configuration.
     *
     * @default [30, 90]
     */
    intervals?: readonly number[];
    /**
     * The interval selected when the create dialog opens, in days.
     *
     * Set this to `null` to select "Never". If the value is unavailable, the
     * first configured interval is selected instead.
     *
     * @default 30
     */
    defaultInterval?: number | null;
    /**
     * Let users create a key without a custom expiration interval.
     *
     * Better Auth will still apply `keyExpiration.defaultExpiresIn` when the
     * server defines one.
     *
     * @default true
     */
    allowNever?: boolean;
};
export type ResolvedApiKeyExpirationOptions = {
    intervals: number[];
    defaultInterval: number | null;
    allowNever: boolean;
};
export declare function resolveApiKeyExpirationOptions(options?: ApiKeyExpirationOptions): ResolvedApiKeyExpirationOptions | false;
export declare const apiKeyExpirationDaysToSeconds: (days: number) => number;