import * as readline from 'node:readline';
import MuteStream from 'mute-stream';
export type InquirerReadline = readline.ReadLine & {
    output: MuteStream;
    input: NodeJS.ReadableStream;
    clearLine: (dir: 0 | 1 | -1) => void;
};
export declare class CancelablePromise<T> extends Promise<T> {
    cancel: () => void;
}
export type Prettify<T> = {
    [K in keyof T]: T[K];
} & {};
export type PartialDeep<T> = T extends object ? {
    [P in keyof T]?: PartialDeep<T[P]>;
} : T;
export type Context = {
    input?: NodeJS.ReadableStream;
    output?: NodeJS.WritableStream;
    clearPromptOnDone?: boolean;
};
export type Prompt<Value, Config> = (config: Config, context?: Context) => CancelablePromise<Value>;
/**
 * Utility types used for writing tests
 *
 * Equal<A, B> checks that A and B are the same type, and returns
 * either `true` or `false`.
 *
 * You can use it in combination with `Expect` to write type
 * inference unit tests:
 *
 * ```ts
 * type t = Expect<
 *   Equal<Partial<{ a: string }>, { a?: string }>
 * >
 * ```
 */
export type Equal<X, Y> = (<T>() => T extends X ? 1 : 2) extends <T>() => T extends Y ? 1 : 2 ? true : false;
export type Expect<T extends true> = T;
export type Not<T extends boolean> = T extends true ? false : true;