/**
 * Popup/Dialog support - extends IMGUIContext
 */
export function setupPopupSystem(ctx: any): void;
/**
 * Popup - non-modal floating window
 * Draws on top of everything but doesn't block input
 */
export function popup(ctx: any, idStr: any, x: any, y: any, w: any, h: any, title: any, contentFn: any): void;
/**
 * Modal dialog - blocks interaction with everything underneath
 * Returns true if dialog should stay open
 */
export function modal(ctx: any, idStr: any, x: any, y: any, w: any, h: any, title: any, contentFn: any): boolean;
/**
 * Simple message box - modal with OK button
 * Returns true if still open, false if closed
 */
export function messageBox(ctx: any, idStr: any, message: any, onClose: any): boolean;
/**
 * Confirm dialog - modal with Yes/No buttons
 * Calls callback(true) for Yes, callback(false) for No
 */
export function confirmBox(ctx: any, idStr: any, message: any, callback: any): boolean;
/**
 * Tooltip - shows on hover, non-blocking
 */
export function tooltip(ctx: any, text: any, x: any, y: any): void;
/**
 * Context menu - right-click menu
 */
export function contextMenu(ctx: any, idStr: any, x: any, y: any, items: any, onSelect: any): boolean;
/**
 * Draggable window - popup that can be moved
 */
export class DraggableWindow {
    constructor(id: any, title: any, x: any, y: any, w: any, h: any);
    id: any;
    title: any;
    x: any;
    y: any;
    w: any;
    h: any;
    dragging: boolean;
    dragOffsetX: number;
    dragOffsetY: number;
    draw(ctx: any, contentFn: any): void;
}