import type { MValue, Properties, VectorFeature, VectorLineString, VectorLineStringGeometry } from '../../../index.js';
/**
 * Find the length of a linestring. No projection is assumed
 * @param input - the linestring as either a VectorFeature, VectorLineStringGeometry, or raw VectorLineString
 * @param haversine - if set to true, uses the Haversine formula on lon-lat points. Defaults to false.
 * @returns - the raw length of the linestring, but if haversine is set to true the result is in radians.
 */
export declare function lineLength<M = Record<string, unknown>, D extends MValue = Properties, P extends Properties = Properties>(input: VectorLineString<D> | VectorLineStringGeometry<D> | VectorFeature<M, D, P, VectorLineStringGeometry<D>>, haversine?: boolean): number;
//# sourceMappingURL=length.d.ts.map