import type { HashAlgorithm } from '../types.js';
/**
 * ContentHash - tipo puro
 */
export type ContentHash = {
    readonly value: string;
    readonly algorithm: HashAlgorithm;
};
/**
 * Crea un ContentHash - función pura
 */
export declare function createContentHash(value: string, algorithm?: HashAlgorithm): ContentHash;
/**
 * Funciones puras para ContentHash
 */
export declare function isSha256(hash: ContentHash): boolean;
export declare function isSha512(hash: ContentHash): boolean;
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