import { EventEmitter } from '@angular/core';
export declare class VirtualKeyboard {
    model: string;
    active: boolean;
    type: string;
    layout: string;
    modelChange: EventEmitter<{}>;
    activeChange: EventEmitter<{}>;
    top: string;
    left: string;
    top_value: number;
    left_value: number;
    keys: any;
    is_shift: boolean;
    is_caps: boolean;
    private keyboard;
    constructor();
    ngOnChanges(changes: any): void;
    open(): void;
    close(): void;
    addChar(char: string): void;
    backspace(): void;
    delete(): void;
    clear(): void;
    caps(): void;
    shift(): void;
    moveKeyboard(e: any): void;
    private loadLayout();
    private loadKeys();
}