import type { MValue, Properties, VectorFeature, VectorLineString, VectorLineStringGeometry } from '../../../index.js';
/**
 * Find the area of a linestring. No projection is assumed
 * @param input - the linestring as either a VectorFeature, VectorLineStringGeometry, or raw VectorLineString
 * @returns - the area of the linestring. Positive if the linestring is counter-clockwise, negative otherwise
 */
export declare function lineArea<M = Record<string, unknown>, D extends MValue = Properties, P extends Properties = Properties>(input: VectorLineString<D> | VectorLineStringGeometry<D> | VectorFeature<M, D, P, VectorLineStringGeometry<D>>): number;
//# sourceMappingURL=area.d.ts.map