import type { ExtendedViemClient } from '../../../client.js';
export type VerifyNotificationInput = {
    kid: string;
    message: Buffer;
    signature: string | Buffer;
};
/**
 * Verifies the digital signature of a notification message.
 *
 * @returns `true` if the signature is valid, `false` otherwise
 *
 * @example
 * ```typescript
 * await client.verifyNotification({
 *   kid: '00000000-0000-0000-0000-000000000000',
 *   message: Buffer.from('Hello, World!'),
 *   signature: Buffer.from('00000000-0000-0000-0000-000000000000', 'base64'),
 * })
 * ```
 */
export declare function verifyNotification(client: ExtendedViemClient, params: VerifyNotificationInput): Promise<boolean>;