/**
 * The revalidate option used internally for pages. A value of `false` means
 * that the page should not be revalidated. A number means that the page
 * should be revalidated after the given number of seconds (this also includes
 * `1` which means to revalidate after 1 second). A value of `0` is not a valid
 * value for this option.
 */
export type Revalidate = number | false;
export type SwrDelta = number;
export declare function formatRevalidate({ revalidate, swrDelta, }: {
    revalidate: Revalidate;
    swrDelta?: SwrDelta;
}): string;