export declare const SHA256_PREFIX = "sha256:";
export declare function sha256Hex(data: string | Buffer): string;
export declare function sha256PrefixedHex(data: string | Buffer): string;
export declare function hashCanonical(value: unknown): string;
export declare function hashCanonicalSha256(value: unknown): string;
export declare function requestHash(value: unknown): string;
export declare function responseHash(value: unknown): string;
export declare function artifactHash(data: string | Buffer): string;
export declare function schemaBundleHash(schemas: Record<string, unknown>): string;