import { IEnvelope, Feature, Geometry } from "ginkgoch-geom";
import Shp from "../shp/Shp";
import Dbf from "../dbf/Dbf";
import Iterator from '../base/Iterator';
import Optional from "../base/Optional";
import IQueryFilter from "../shared/IQueryFilter";
/**
 * The Shapefile iterator.
 * @example Usage
 * const shapefile = await new Shapefile(path).open();
 * const iterator = await shapefile.iterator();
 *
 * let record = undefined;
 * while ((record = await iterator.next()) && !iterator.done) {
 *      console.log(record);
 * }
 */
export default class ShapefileIterator extends Iterator<Feature | null> {
    shp: Shp;
    dbf: Dbf;
    count: number;
    filter: {
        from: number;
        limit: number;
        to: number;
        fields?: string[];
        envelope?: IEnvelope;
    };
    index: number;
    constructor(shp: Shp, dbf: Dbf, filter?: IQueryFilter);
    /**
     * Moves to and return the next record. The last record will return with a field { done: true } for a complete reading flag.
     */
    next(): Optional<Feature | null>;
    _next(): Optional<Feature | null>;
    _intersects(geom: Geometry, envelope?: IEnvelope): boolean;
}
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