import { ICommandLineData, ICommandLineReaderObserver } from "../api/cmdline-observer";
import { ICommandLineReaderObservable } from "../api/observable";
export declare class CommandlineReader implements ICommandLineReaderObservable {
    private lineReader;
    private observer;
    constructor();
    read(data: ICommandLineData[]): Promise<void>;
    subscribe(sub: ICommandLineReaderObserver): {
        unsubscribe: () => void;
    };
    private notifyObserver;
    private readData;
    private printQuestion;
    private validateProperty;
}