import { Constructor } from '@thegraid/common-lib';
import { DisplayObject, Stage } from '@thegraid/easeljs-module';
declare module "@thegraid/easeljs-module" {
    interface Container {
        removeChildType<T extends DisplayObject>(type: Constructor<T>, pred?: (dobj: T) => boolean): T[];
    }
    interface EventDispatcher {
        dispatchEvent(type: string | Event | Object): boolean;
        dispatchEvent(type: string | Event | Object, bubbles?: boolean, cancelable?: boolean): boolean;
        on(type: string, listener: (eventObj: any, data?: any) => boolean, scope?: Object, once?: boolean, data?: any, useCapture?: boolean): Function;
    }
}
/** if no canvas, then disable MouseOver, DOMEvents, tick & tickChildren
 * @param canvasId a \<canvas> Element OR the DOM ID of a \<canvas> Element (or undefined for no canvas)
 */
export declare function makeStage(canvasId?: string | HTMLCanvasElement, tick?: boolean): Stage;
export declare function textWidth(text: string, font_h: number, fontName?: string): number;
/**
 * return length of longest Text(string, fontSpec)
 * @param items each item is string OR { text: string }
 * @param font_h
 * @param fontName
 * @returns length of longest Text(string, fontSpec(font_h, fontName))
 */
export declare function maxTextWidth(items: (string | {
    text: string;
})[], font_h: number, fontName?: string): number;
/**
 * dispObj.stage.update(); on 'drawend' run afterFunc()
 *
 * Uses setTimeout(afterFunc, andWait) so browser can repaint,
 * and afterFunc will run in new task (vs the event dispatch)
 *
 * If (andWait === false) do NOT setTimeout.
 * @param dispObj any DisplayObject to find the stage.
 * @param afterFunc [] if supplied, invoke after stage updates.
 * @param scope [] thisArg for afterFunc
 * @param andWait [10] number then setTimeout(afterFunc, andWait)
 */
export declare function afterUpdate(dispObj: DisplayObject, afterFunc?: () => void, scope?: any, andWait?: false | number): void;
/** async wrapper for afterUpdate */
export declare function awaitUpdate(cont: DisplayObject): Promise<void>;
/** dispObj.visible = false; awaitUpdate().then(setTimeout(dispObj.visible = true; after(), dwell)) */
export declare function blinkAndThen(dispObj: DisplayObject, after: () => void, dwell?: number): Promise<void>;
/** stopPropagation and stopImmediatePropagation */
export declare function stopPropagation(ev: any): void;