import type { IMainIO } from './defs';
import type { IOutputCallback } from '../callback';
export declare abstract class MainIO implements IMainIO {
    constructor();
    disable(): Promise<void>;
    dispose(): void;
    enable(): Promise<void>;
    get enabled(): boolean;
    get isDisposed(): boolean;
    push(chars: string): Promise<void>;
    registerSendStdinNow(sendStdinNow: IOutputCallback): void;
    protected _handleStdinImpl(timeoutMs: number): Promise<string>;
    protected _enabled: boolean;
    protected _readBuffer: string;
    protected _sendStdinNow?: IOutputCallback;
    private _isDisposed;
    private _stdinPromise?;
}