import type { PolygonCoord } from '../../../../stores/filter-store/types';
type Centroid = {
    latitude: number;
    longitude: number;
};
/**
 * Calculates the geometric centroid of a polygon using the shoelace formula.
 * Returns the center point with latitude and longitude.
 *
 * @param coords - Array of polygon coordinates (at least 3 points required)
 * @returns Centroid coordinates or null if invalid input
 */
export declare const calculatePolygonCentroid: (coords: PolygonCoord[]) => Centroid | null;
export {};
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