import type { WebhookProvider } from "./index.mjs";
/** Mailgun webhook verifier. The payload always contains
*   \`signature: { timestamp, token, signature }\`
*  plus an \`event-data\` block. HMAC-SHA256 of \`\${timestamp}\${token}\`
*  keyed with the API signing key must equal \`signature\`. */
export interface MailgunWebhookOptions {
	signingKey: string;
	/** Window in seconds to accept messages from. Default: 300. */
	toleranceSeconds?: number;
	now?: () => number;
}
export default function mailgunWebhook(options: MailgunWebhookOptions): WebhookProvider;