import { BaseInput } from './base-input';
export declare class Keyboard extends BaseInput {
    private keysDown;
    private keysJustPressed;
    private keysJustReleased;
    private preventDefault;
    constructor(element: HTMLElement);
    capture(preventDefault: boolean): void;
    release(): void;
    getState(): IKeyboard;
    private handleKeyDown;
    private handleKeyUp;
}
export interface IKeyboard {
    keysDown: Map<number, boolean>;
    keysJustPressed: Map<number, boolean>;
    keysJustReleased: Map<number, boolean>;
}