type AnyHono = {
    fetch: (request: Request, ...args: any[]) => Response | Promise<Response>;
};
/**
 * Check if we're running in Bun
 */
export declare function isBun(): boolean;
/**
 * Check if we're running in Node.js
 */
export declare function isNode(): boolean;
/**
 * Get the current runtime name
 */
export declare function getRuntime(): "bun" | "node" | "unknown";
export interface ServerHandle {
    port: number;
    stop: () => void | Promise<void>;
}
/**
 * Start an HTTP server using the appropriate runtime
 */
export declare function serve(app: AnyHono, port: number): Promise<ServerHandle>;
/**
 * Find an available port starting from the given port
 */
export declare function findAvailablePort(startPort?: number): Promise<number>;
export {};