/**
 * @typedef {[number, number, number, number]} Bbox
 * [minx, miny, maxx, maxy] in WGS84.
 */
/**
 * Reads GeoParquet bbox metadata using hyparquet over HTTP range requests.
 * This is a drop-in alternative to ParquetBboxReader for environments where
 * reading footer metadata directly is preferable to querying DuckDB metadata tables.
 * For row groups it prefers GeoParquet 1.1 covering-column statistics and only
 * falls back to geospatial statistics when they are available.
 */
export class HyparquetBboxReader {
    /**
     * @param {{
     *   batchSize?: number,
     *   fetch?: typeof globalThis.fetch,
     *   requestInit?: RequestInit,
     *   initialFetchSize?: number,
     *   metadataLoader?: (url: string) => Promise<any>
     * }} [options]
     */
    constructor(options?: {
        batchSize?: number;
        fetch?: typeof globalThis.fetch;
        requestInit?: RequestInit;
        initialFetchSize?: number;
        metadataLoader?: (url: string) => Promise<any>;
    });
    _batchSize: number;
    _fetch: typeof fetch;
    _requestInit: RequestInit;
    _initialFetchSize: number;
    _metadataLoader: any;
    /** @type {Map<string, Promise<any | null>>} */
    _metadataCache: Map<string, Promise<any | null>>;
    /** @type {Map<string, Bbox | null>} */
    _bboxCache: Map<string, Bbox | null>;
    /** @type {Map<string, Record<string, Bbox> | null>} */
    _rowGroupCache: Map<string, Record<string, Bbox> | null>;
    _cancelGeneration: number;
    cancel(): void;
    /**
     * @param {{ id: string, url: string }[]} files
     * @param {unknown} _duckdb
     * @param {{ signal?: AbortSignal }} [options]
     * @returns {Promise<Record<string, Bbox> | null>}
     */
    getFileBboxes(files: {
        id: string;
        url: string;
    }[], _duckdb: unknown, options?: {
        signal?: AbortSignal;
    }): Promise<Record<string, Bbox> | null>;
    /**
     * @param {{ id: string, url: string }[]} files
     * @param {unknown} _duckdb
     * @param {{ bboxColumn?: string, signal?: AbortSignal, onStatus?: (msg: string) => void }} [options]
     * @returns {Promise<Record<string, Record<string, Bbox>> | null>}
     */
    getRowGroupBboxes(files: {
        id: string;
        url: string;
    }[], _duckdb: unknown, options?: {
        bboxColumn?: string;
        signal?: AbortSignal;
        onStatus?: (msg: string) => void;
    }): Promise<Record<string, Record<string, Bbox>> | null>;
    _processInBatches(items: any, worker: any, runGeneration: any, signal: any, onStatus: any, doneOffset?: number, total?: any): Promise<void>;
    _getMetadata(url: any, signal: any): Promise<any>;
    _loadMetadataFromUrl(url: any, signal: any): Promise<import("hyparquet/src/types.js").FileMetaData>;
    _extractFileBbox(metadata: any): number[];
    _extractRowGroupBboxes(metadata: any, bboxColumn: any): {};
    _getGeoMetadata(metadata: any): any;
    _getPrimaryColumnMetadata(geoMeta: any): any;
    _getCoveringBboxPaths(metadata: any, bboxColumn: any): {
        xminPath: any;
        yminPath: any;
        xmaxPath: any;
        ymaxPath: any;
    };
    _normalizePath(path: any, fallback: any): any;
    _getRowGroupGeospatialBbox(rowGroup: any): number[];
    _getRowGroupStatsBbox(rowGroup: any, coveringPaths: any): number[];
    _pathsEqual(left: any, right: any): any;
    _toFiniteNumber(value: any): number;
    _throwIfCancelled(runGeneration: any, signal: any): void;
    _isValidWgs84Bbox(minx: any, miny: any, maxx: any, maxy: any): boolean;
}
/**
 * [minx, miny, maxx, maxy] in WGS84.
 */
export type Bbox = [number, number, number, number];