/**
 *  Copyright 2026 Angus.Fenying <fenying@litert.org>
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *    https://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
/**
 * The options for the UUIDv5 generator.
 */
export type IUuid5Options = Pick<Uuid5Generator, 'namespace'>;
/**
 * The pre-defined namespaces for UUIDv5.
 */
export declare enum EUuid5PredefinedNamespaces {
    DNS = "6ba7b810-9dad-11d1-80b4-00c04fd430c8",
    URL = "6ba7b811-9dad-11d1-80b4-00c04fd430c8",
    OID = "6ba7b812-9dad-11d1-80b4-00c04fd430c8",
    X500 = "6ba7b814-9dad-11d1-80b4-00c04fd430c8"
}
/**
 * The class for generating UUID in version 5.
 */
export declare class Uuid5Generator {
    /**
     * The namespace of the UUID, which must be a UUID string.
     */
    readonly namespace: string;
    private readonly _nsBin;
    /**
     * Create a UUIDv5 generator bound to the specified namespace.
     *
     * @param opts  The options for the UUIDv5 generator.
     */
    constructor(opts: IUuid5Options);
    /**
     * Generate a UUIDv5 based on the namespace and the name.
     *
     * @param name  The name to generate the UUID from.
     *
     * @returns A UUIDv5 string.
     */
    generate(name: string): string;
    /**
     * Generate a UUIDv5 based on the namespace and the name, and return it as a Buffer.
     *
     * @param name  The name to generate the UUID from.
     *
     * @returns A UUIDv5 in Buffer format, which is 16 bytes in total.
     */
    generateAsBuffer(name: string): Buffer;
    /**
     * Generate a UUIDv5 based on the provided namespace and name.
     *
     * @param namespace     The namespace for the UUID, which must be a UUID string or a Buffer of 16 bytes.
     * @param name          The name to generate the UUID from.
     * @returns A UUIDv5 string.
     */
    static generate(namespace: string | Buffer, name: string): string;
    /**
     * Generate a UUIDv5 based on the provided namespace and name, and return it as a Buffer.
     *
     * @param namespace     The namespace for the UUID, which must be a UUID string or a Buffer of 16 bytes.
     * @param name          The name to generate the UUID from.
     * @returns A UUIDv5 in Buffer format, which is 16 bytes in total.
     */
    static generateAsBuffer(namespace: string | Buffer, name: string): Buffer;
}
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