/**
 * Validates the UUID v1.
 * @param id UUID value.
 */
export declare function validate(id: string): boolean;
/** The options used for generating a v1 UUID. */
export interface V1Options {
    node?: number[];
    clockseq?: number;
    msecs?: number;
    nsecs?: number;
    random?: number[];
    rng?: () => number[];
}
/**
 * Generates a RFC4122 v1 UUID (time-based).
 * @param options Can use RFC time sequence values as overwrites.
 * @param buf Can allow the UUID to be written in byte-form starting at the offset.
 * @param offset Index to start writing on the UUID bytes in buffer.
 */
export declare function generate(options?: V1Options | null, buf?: number[], offset?: number): string | number[];