import type { CryptoBackend } from './backend.js';
/**
 * Runs a comprehensive suite of known-answer tests against a
 * {@link CryptoBackend} implementation to verify correctness.
 *
 * Call this once after constructing a backend to catch broken or
 * incompatible elliptic-curve libraries early.
 *
 * @param backend - The backend to verify.
 * @throws If any of the built-in test vectors fail.
 *
 * @example
 * ```ts
 * const backend = createNobleBackend();
 * verifyCryptoBackend(backend); // throws if broken
 * ```
 */
export declare function verifyCryptoBackend(backend: CryptoBackend): void;
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