import type { ClappEvents, ClappState } from '../types';
import type { Key } from 'node:readline';
import type { Readable, Writable } from 'node:stream';
export declare interface PromptOptions<TValue, Self extends Prompt<TValue>> {
  render: (this: Omit<Self, 'prompt'>) => string | undefined
  initialValue?: any
  initialUserInput?: string
  validate?: ((_value: TValue | undefined) => string | Error | undefined) | undefined
  input?: Readable
  output?: Writable
  debug?: boolean
  signal?: AbortSignal
}
export default class Prompt<TValue> {
  protected input: Readable;
  protected output: Writable;
  protected _cursor: number;
  state: ClappState;
  error: string;
  value: TValue | undefined;
  userInput: string;
  constructor(options: PromptOptions<TValue, Prompt<TValue>>, trackValue?: boolean);
  protected unsubscribe(): void;
  on<T extends keyof ClappEvents<TValue>>(event: T, cb: ClappEvents<TValue>[T]): this;
  once<T extends keyof ClappEvents<TValue>>(event: T, cb: ClappEvents<TValue>[T]): this;
  emit<T extends keyof ClappEvents<TValue>>(event: T, ...data: Parameters<ClappEvents<TValue>[T]>): this;
  prompt(): Promise<TValue | symbol | undefined>;
  protected _isActionKey(char: string | undefined, _key: Key): boolean;
  protected _setValue(value: TValue | undefined): void;
  protected _setUserInput(value: string | undefined, write?: boolean): void;
  protected close(): void;
}