import { Vec2D } from '../../Math';
declare class Input {
    private state;
    private pressed;
    private released;
    /**
     * Screen-space mouse position
     */
    readonly mouse: Vec2D;
    /**
     * Unregister all input handlers
     */
    unregisterHandlers: () => void;
    /**
     * The main input handler.
     */
    constructor(canvas: HTMLCanvasElement);
    /**
     * Continuously read user input.
     *
     * @param canvas Target canvas element
     */
    private poll;
    /**
     * Get the state of an input.
     * Alphanumeric keys range from a - z, 0 - 9.
     * Mouse buttons range from Mouse0 - Mouse2.
     *
     * @param key        Target input to be tested
     * @param ignoreCase Ignore the capitalization of the key
     * @return Is the input pressed or released?
     */
    getState(key: string, ignoreCase?: boolean): boolean;
    /**
     * Check if input is pressed on the current frame.
     * Alphanumeric keys range from a - z, 0 - 9.
     * Mouse buttons range from Mouse0 - Mouse2.
     *
     * @param key        Target input to be tested
     * @param ignoreCase Ignore the capitalization of the key
     * @return Is the input pressed this frame?
     */
    getPressed(key: string, ignoreCase?: boolean): boolean;
    /**
     * Check if input is released on the current frame.
     * Alphanumeric keys range from a - z, 0 - 9.
     * Mouse buttons range from Mouse0 - Mouse2.
     *
     * @param key        Target input to be tested
     * @param ignoreCase Ignore the capitalization of the key
     * @return Is the input released this frame?
     */
    getReleased(key: string, ignoreCase?: boolean): boolean;
    /**
     * Reset the pressed and released values.
     */
    refresh(): void;
}
export { Input };