import { ColormapRenderer } from '../colormap-renderer';
import { ImageTileChunk } from '../../source/tile-gray-source';
export declare class ColorMapCanvasRenderer extends ColormapRenderer {
    private readonly layerCtx;
    constructor();
    setLayerCanvas(canvas: HTMLCanvasElement): void;
    prepare(): void;
    draw(): void;
    clear(): void;
    tileDebug(ctx: any, dx: any, dy: any, chunk: ImageTileChunk): void;
}