import { FeatureCollection, LineString } from 'geojson';
/**
 * Remove any LineString that is either
 *  - an exact duplicate of an earlier one, or
 *  - a contiguous subsequence (in either direction) of any other.
 */
export declare function removeDuplicateAndSubsectionLines(collection: FeatureCollection<LineString>): FeatureCollection<LineString>;