/** @jsxImportSource preact */
import { type ComponentChildren, type VNode, type JSX } from 'preact';
import type { Deck, Viewport, WidgetPlacement, WidgetProps } from '@deck.gl/core';
import { Widget } from '@deck.gl/core';
export type HtmlOverlayWidgetProps = WidgetProps & {
    /** View id to attach the overlay to. Defaults to the containing view. */
    viewId?: string | null;
    /** Margin beyond the viewport before hiding overlay items. */
    overflowMargin?: number;
    /** z-index for the overlay container. */
    zIndex?: number;
    /** Items to render; defaults to the supplied children. */
    items?: ComponentChildren;
    /** Create an overlay root for custom rendering. */
    onCreateOverlay?: (container: HTMLElement) => unknown;
    /** Render into a previously created overlay root. */
    onRenderOverlay?: (overlayRoot: unknown, element: JSX.Element | null, container: HTMLElement) => void;
};
export declare class HtmlOverlayWidget<PropsT extends HtmlOverlayWidgetProps = HtmlOverlayWidgetProps> extends Widget<PropsT> {
    static defaultProps: {
        id: string;
        viewId: any;
        _container: any;
        overflowMargin: number;
        zIndex: number;
        style: {};
        className: string;
    };
    placement: WidgetPlacement;
    className: string;
    protected viewport: Viewport | null;
    protected overlayRoot: unknown;
    protected overlayRootInitialized: boolean;
    constructor(props?: PropsT);
    setProps(props: Partial<PropsT>): void;
    onAdd({ deck, viewId }: {
        deck: Deck;
        viewId: string | null;
    }): void;
    onRemove(): void;
    onViewportChange(viewport: Viewport): void;
    protected getViewport(): Viewport | null;
    protected getZoom(): number;
    protected scaleWithZoom(n: number): number;
    protected breakpointWithZoom<T>(threshold: number, a: T, b: T): T;
    protected getCoords(viewport: Viewport, coordinates: number[]): [number, number];
    protected inView(viewport: Viewport, [x, y]: number[]): boolean;
    protected getOverlayItems(viewport: Viewport): VNode[];
    protected projectItems(items: VNode[], viewport: Viewport): VNode[];
    onRenderHTML(rootElement: HTMLElement): void;
}
//# sourceMappingURL=html-overlay-widget.d.ts.map