/**
 * Configuration for the Resend proxy
 */
export interface ResendProxyConfig {
    /** Resend API key */
    apiKey: string;
    /** Allowed audience IDs (for security) */
    allowedAudiences?: string[];
    /** Rate limiting configuration */
    rateLimit?: {
        /** Maximum number of requests per window */
        max: number;
        /** Time window in seconds */
        windowSec: number;
    };
    /** Enable debug mode */
    debug?: boolean;
}
/**
 * Request handler type for different frameworks
 */
type RequestHandler = (req: any, res: any) => Promise<void>;
/**
 * Create a proxy handler for Resend API
 * This function returns a handler compatible with various server frameworks
 */
export declare function createResendProxy(config: ResendProxyConfig): RequestHandler;
export {};