/**
 * @module jcs
 * @description The JSON Canonicalization Scheme (RFC 8785), and the
 * `sha-256:` digests Mandaitor builds on it. It mirrors core's
 * `lambdas/src/shared/execution/jcs.ts`, so that a digest computed here
 * equals the one Mandaitor signed: a receipt's `result_digest` is the digest
 * of the result's canonical form.
 *
 * It runs in the browser and in node: Web Crypto only, no dependencies.
 */
/** The RFC 8785 serialisation of an I-JSON value. Throws a TypeError on anything else. */
export declare function canonicalize(value: unknown): string;
/** Unpadded base64url of bytes. */
export declare function base64UrlFromBytes(bytes: Uint8Array): string;
/** `sha-256:` and the unpadded base64url SHA-256 of the text's UTF-8 bytes. */
export declare function sha256Digest(text: string): Promise<string>;
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