import { InjectionToken } from '@angular/core';
export declare const WA_CANVAS_2D_CONTEXT: InjectionToken<CanvasRenderingContext2D>;
/**
 * @deprecated: drop in v5.0, use {@link WA_CANVAS_2D_CONTEXT}
 */
export declare const CANVAS_2D_CONTEXT: InjectionToken<CanvasRenderingContext2D>;