import { Readable } from 'stream';
type KeyHandler = () => void;
interface ProcessWrapper {
    exit: (code?: number) => never;
}
export declare const KEY_CODES: {
    UP_ARROW: string;
    DOWN_ARROW: string;
    RIGHT_ARROW: string;
    LEFT_ARROW: string;
    ENTER: string;
    SPACE: string;
    TAB: string;
    BACKSPACE: string;
    BACKSPACE_LEGACY: string;
    DELETE: string;
    CTRL_C: string;
    CTRL_D: string;
    CTRL_A: string;
    CTRL_E: string;
    CTRL_K: string;
    CTRL_U: string;
    CTRL_W: string;
    CTRL_L: string;
    CTRL_N: string;
    CTRL_P: string;
    CTRL_F: string;
    CTRL_B: string;
    CTRL_J: string;
    ALT_B: string;
    ALT_F: string;
    ALT_D: string;
    ALT_BACKSPACE: string;
    SHIFT_ENTER: string;
    SHIFT_ENTER_ALT: string;
    HOME: string;
    HOME_ALT: string;
    HOME_ALT2: string;
    END: string;
    END_ALT: string;
    END_ALT2: string;
    PAGE_UP: string;
    PAGE_DOWN: string;
    CTRL_LEFT: string;
    CTRL_RIGHT: string;
    CTRL_UP: string;
    CTRL_DOWN: string;
    ALT_LEFT: string;
    ALT_RIGHT: string;
    ALT_UP: string;
    ALT_DOWN: string;
};
/**
 * Handles keyboard input for interactive prompts.
 *
 * **Important**: Only one TerminalKeypress instance should be actively listening
 * on a given input stream at a time. If you need multiple Inquirerer instances,
 * call `close()` on the first instance before using the second, or reuse a single
 * instance for all prompts.
 *
 * Multiple instances sharing the same input stream (e.g., process.stdin) will
 * each receive all keypresses, which can cause duplicate or unexpected behavior.
 */
export declare class TerminalKeypress {
    private listeners;
    private active;
    private noTty;
    private input;
    private proc;
    private dataHandler;
    constructor(noTty?: boolean, input?: Readable, proc?: ProcessWrapper);
    isTTY(): boolean;
    private setupListeners;
    on(key: string, callback: KeyHandler): void;
    off(key: string, callback: KeyHandler): void;
    clearHandlers(): void;
    pause(): void;
    resume(): void;
    destroy(): void;
}
export {};