import type { CSSProperties, ReactNode } from "react";
import type { Selection } from "@nika-js/onlymap";
export type AnchorOffset = "top-left" | "top-center" | "top-right" | "center-left" | "center" | "center-right" | "bottom-left" | "bottom-center" | "bottom-right";
export interface OmOverlayProps {
    /** Static anchor [lng, lat]. */
    anchor?: [number, number];
    /** Dynamic anchor: follow the current selection (click/hover picks). */
    anchorFrom?: "selection";
    /** Scope a selection-anchored overlay to one layer's picks — non-matching selections don't move or re-render it. */
    layer?: string;
    /**
     * Scope a selection-anchored overlay to one PICK TYPE. A click-opened popup
     * wants `"click"`: without it, merely hovering any pickable feature drags
     * the popup there and re-renders it against the hovered object. With it,
     * hover picks are inert and a click on empty space still dismisses.
     * `"hover"` is the mirror for hover-driven overlays. Absent: every pick
     * applies.
     */
    selectionType?: "click" | "hover";
    visible?: boolean;
    /** Attachment point relative to the anchor (default bottom-center: content sits above the point). */
    anchorOffset?: AnchorOffset;
    /**
     * Set false for hover-following content (tooltips): a hoverable overlay
     * sits over the picked point and would steal the pointer from the canvas,
     * flickering the pick on/off (same rationale as the HTML overlay's
     * automatic pointer-events handling — explicit here since JSX
     * interactivity isn't detectable).
     */
    interactive?: boolean;
    className?: string;
    style?: CSSProperties;
    /** Static JSX, or a function of the tracked selection (spec: HU7's `{sel => <QuakeCard feature={sel.object} />}`). */
    children?: ReactNode | ((selection: Selection | null) => ReactNode);
}
export declare function OmOverlay(props: OmOverlayProps): ReactNode;