import { type RefObject } from 'react';
import { type SourceAffectedFrame } from '../editor/inspect.js';
export declare function InspectOverlay({ iframeRef, containerRef, affectedFrames, onSelect, }: {
    /** route page — when placed over a same-origin iframe. */
    iframeRef?: RefObject<HTMLIFrameElement | null>;
    /** fixture page — when placed over a scroll container in the body (same document). */
    containerRef?: RefObject<HTMLElement | null>;
    /** Current selection screen. Even before calculating the impact of all same-source frames, at least the current frame is preserved in the operation. */
    affectedFrames?: readonly SourceAffectedFrame[];
    /** Fires when the picked element changes; the frame maps it to a variant target. */
    onSelect?: (element: HTMLElement | null) => void;
}): import("react").JSX.Element;