import type { ExtendedViemClient } from '../../../client.js';
import type { GetNotificationSignatureInput } from '../transports/index.js';
/**
 * Get the public key and algorithm used to digitally sign webhook notifications. Verifying the digital signature ensures the notification came from Circle.
 *
 * @returns A public key and algorithm
 *
 * @example
 * ```typescript
 * await client.getNotificationSignature({
 *   kid: '00000000-0000-0000-0000-000000000000',
 * })
 * ```
 */
export declare function getNotificationSignature(client: ExtendedViemClient, params: GetNotificationSignatureInput): Promise<import("@circle-fin/developer-controlled-wallets/dist/types/clients/configurations.js").NotificationSignaturePublicKeyData>;