import { Globe } from "../globe";
import { View } from "../view";
export declare class Layer {
    protected globe: Globe;
    changeGlobe(globe?: Globe): void;
    protected onAdd(): void;
    protected onRemove(): void;
    render(view: View): void;
    active(): boolean;
    static overlayAlphaStart: number;
    static overlayAlphaGradient: number;
    static baseAlpha(view: View): number;
    static overlayAlpha(view: View): number;
}