import type { Feature, Polygon } from 'geojson';
import { Coordinates } from '../OffsetWellMap.types';
type UseRadiusCircleParams = {
    subjectWellCoords: Coordinates | null;
    radiusMiles: number;
};
type UseRadiusCircleReturn = {
    circleGeoJSON: Feature<Polygon> | null;
};
/**
 * Generates a GeoJSON circle for the given subject well and radius.
 * Used for initial zoom bounds calculation (not rendered on map).
 */
export declare const useRadiusCircle: ({ subjectWellCoords, radiusMiles, }: UseRadiusCircleParams) => UseRadiusCircleReturn;
export {};
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