/**
 * @octomil/browser — Model integrity verification
 *
 * SHA-256 checksum computation and verification using the Web Crypto API.
 */
/**
 * Compute the SHA-256 hash of an ArrayBuffer, returned as a hex string.
 */
export declare function computeHash(data: ArrayBuffer): Promise<string>;
/**
 * Verify that `data` matches the expected SHA-256 hex digest.
 * Returns `true` if the hash matches, `false` otherwise.
 */
export declare function verifyModelIntegrity(data: ArrayBuffer, expectedHash: string): Promise<boolean>;
/**
 * Same as `verifyModelIntegrity` but throws on mismatch.
 */
export declare function assertModelIntegrity(data: ArrayBuffer, expectedHash: string): Promise<void>;
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