/** @jsxImportSource preact */
import { OrthographicViewport, Widget } from '@deck.gl/core';
import type { Deck, WidgetPlacement, WidgetProps } from '@deck.gl/core';
export type YZoomWidgetProps = WidgetProps & {
    contentBounds?: [[number, number], [number, number]];
    viewId?: string | null;
    targetViewId?: string | null;
    placement?: WidgetPlacement;
    minZoom?: number;
    maxZoom?: number;
    step?: number;
};
type RenderedZoomState = {
    clampedZoom: number;
    minZoom: number;
    maxZoom: number;
};
export declare class YZoomWidget extends Widget<YZoomWidgetProps> {
    static defaultProps: {
        id: string;
        viewId: any;
        targetViewId: any;
        placement: "top-left";
        minZoom: any;
        maxZoom: any;
        step: number;
        style: Partial<CSSStyleDeclaration>;
        className: string;
        _container: string | HTMLDivElement | null;
    };
    placement: WidgetPlacement;
    className: string;
    step: number;
    currentZoom: number;
    inferredMinZoom: number | null;
    inferredMaxZoom: number | null;
    lastRenderedZoomState: RenderedZoomState | null;
    constructor(props?: YZoomWidgetProps);
    setProps(props: Partial<YZoomWidgetProps>): void;
    onAdd({ deck, viewId }: {
        deck: Deck;
        viewId: string | null;
    }): void;
    onRemove(): void;
    onRenderHTML(rootElement: HTMLElement): void;
    onViewportChange(viewport: OrthographicViewport): void;
    /**
     * Returns the effective min/max bounds and the clamped zoom value currently shown in the slider.
     */
    private getRenderedZoomState;
    /**
     * Re-renders the widget only when the displayed slider state changed.
     */
    private updateHTMLIfRenderedStateChanged;
    /**
     * Resolves the slider min/max bounds from explicit props or inferred viewport limits.
     */
    private getZoomBounds;
    private getTargetViewports;
    private getViewportViewState;
    private handleZoomDelta;
    private handleZoomTo;
    private updateViewState;
}
export {};
//# sourceMappingURL=y-zoom-widget.d.ts.map