/**
 * Utility functions for GeoJSON data handling.
 * @module
 */
import type { ImportableGeoJSON, ReadOsmDataTypes } from "./types.ts";
/**
 * Parse GeoJSON from various input formats.
 *
 * Supports multiple input types for flexibility:
 * - **string**: JSON string to parse
 * - **ReadableStream**: Streaming JSON data
 * - **ArrayBuffer/SharedArrayBuffer**: Binary data to decode and parse
 * - **Object**: Already-parsed FeatureCollection (passed through)
 *
 * @param data - GeoJSON data in any supported format.
 * @returns Parsed GeoJSON FeatureCollection.
 * @throws If data is null or an unsupported type.
 *
 * @example
 * ```ts
 * // From string
 * const geojson = await readDataAsGeoJSON('{"type":"FeatureCollection","features":[]}')
 *
 * // From fetch response
 * const response = await fetch('/data.geojson')
 * const geojson = await readDataAsGeoJSON(response.body!)
 * ```
 */
export declare function readDataAsGeoJSON(data: ReadOsmDataTypes): Promise<ImportableGeoJSON>;
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