export type AlgorithmIdentifier = 'SHA-1' | 'SHA-256' | 'SHA-384' | 'SHA-512';
/**
 * 为内容生成摘要
 * @since 1.8.0
 * @param {String | Uint8Array} message 内容字符串
 * @param {AlgorithmIdentifier} algorithm 摘要算法
 * @returns {Promise<String>} 摘要字符串
 */ export declare function digest(message: string | Uint8Array, algorithm: AlgorithmIdentifier): Promise<string>;