/**
 * Logs `messages` to the console using `console.warn` based on a `condition`.
 *
 * @example
 * import { warning } from "reakit-warning";
 *
 * warning(true, "a", "b"); // console.warn("a", "\n", "b")
 * warning(false, "a", "b"); // does nothing
 */
export declare function warning(condition: boolean, ...messages: any[]): void;