import Duration from "./units/Duration.js";
import { InferredFlags } from "@oclif/core/interfaces";
export declare const waitFlags: {
    wait: import("@oclif/core/interfaces").BooleanFlag<boolean>;
    "wait-timeout": import("@oclif/core/interfaces").OptionFlag<Duration, import("@oclif/core/interfaces").CustomOptions>;
};
export type WaitFlags = InferredFlags<typeof waitFlags>;
export declare function waitUntil<T>(tester: () => Promise<T | null>, timeout?: Duration): Promise<T>;