import type { CommandNames } from './types.js';
/**
 * Global interface for the Lupa RPC bridge.
 */
declare global {
    interface Window {
        /**
         * The Lupa RPC bridge.
         */
        __lupa_command__<R = void>(command: CommandNames, payload?: any): Promise<R>;
    }
}
/**
 * Executes a command in the browser.
 * @param command - The command to execute.
 * @param payload - The payload to send to the command.
 * @returns A promise that resolves when the command is executed.
 */
export declare function executeCommand<R = void>(command: CommandNames, payload?: any): Promise<R>;