import { type AfterViewInit } from '@angular/core';
import * as i0 from "@angular/core";
export declare class PanZoomBackgroundCanvasComponent implements AfterViewInit {
    private readonly backgroundCanvasRef;
    private readonly host;
    private readonly destroyRef;
    private readonly drawFlowElement;
    private readonly platformId;
    private readonly panZoomService;
    private readonly panZoomController;
    private scheduledRender?;
    private backgroundCanvas;
    private backgroundContext;
    private backgroundPatterns;
    constructor();
    ngAfterViewInit(): void;
    private watchRenderRequests;
    private requestDraw;
    private drawNow;
    private drawBackground;
    private getBackgroundContext;
    private getViewportSize;
    private readBackgroundPalette;
    private ensureBackgroundPatterns;
    private createGridPattern;
    static ɵfac: i0.ɵɵFactoryDeclaration<PanZoomBackgroundCanvasComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<PanZoomBackgroundCanvasComponent, "df-pan-zoom-background-canvas", never, {}, {}, never, never, true, never>;
}