import Vector2 from '../math/Vector2.js';
/**
 * Handles mouse and keyboard input events.
 */
export default class Input {
    private static mousePosition;
    private static clickListeners;
    private static keys;
    private static isinitialised;
    private static isDragging;
    private static isResizing;
    private static dragOffset;
    /**
     * initialises input event listeners.
     */
    static init(): void;
    /**
     * Checks if a specific key is currently held down.
     * @param key The key to check (e.g., 'w', 'ArrowUp', ' ').
     */
    static isKeyDown(key: string): boolean;
    /**
     * Current mouse x position in world space.
     */
    static get mouseX(): number;
    /**
     * Current mouse y position in world space.
     */
    static get mouseY(): number;
    /**
     * Adds a global click listener that will be called when the canvas is clicked.
     * @param listener The function to run when a click occurs.
     */
    static addClickListener(listener: (pos: Vector2) => void): void;
    /**
     * Removes a global click listener.
     * @param listener The function to remove.
     */
    static removeClickListener(listener: (pos: Vector2) => void): void;
}