/**
 * GPX-specific type definitions for parsing and writing GPX files.
 *
 * These interfaces represent the structure of GPX data before conversion
 * to the internal Path format, allowing preservation of GPX-specific
 * metadata and extensions.
 */
/**
 * Known XML namespaces used in GPX files
 */
export declare const KNOWN_NAMESPACES: {
    readonly GPX: 'http://www.topografix.com/GPX/1/1';
    readonly GARMIN_TPX: 'http://www.garmin.com/xmlschemas/TrackPointExtension/v1';
    readonly GARMIN_GPX: 'http://www.garmin.com/xmlschemas/GpxExtensions/v3';
    readonly CLUETRUST: 'http://www.cluetrust.com/XML/GPXDATA/1/0';
    readonly W3C_XSI: 'http://www.w3.org/2001/XMLSchema-instance';
};
/**
 * Common namespace prefixes used by different GPS manufacturers
 */
export declare const NAMESPACE_PREFIXES: {
    readonly "http://www.topografix.com/GPX/1/1": '';
    readonly "http://www.garmin.com/xmlschemas/TrackPointExtension/v1": 'gpxtpx';
    readonly "http://www.garmin.com/xmlschemas/GpxExtensions/v3": 'gpxx';
    readonly "http://www.cluetrust.com/XML/GPXDATA/1/0": 'gpxdata';
    readonly "http://www.w3.org/2001/XMLSchema-instance": 'xsi';
};
/**
 * Mapping of extension field names to their namespace and local name
 */
export interface ExtensionFieldMapping {
    namespace: string;
    localName: string;
    dataType: 'number' | 'string' | 'boolean';
}
/**
 * Known extension field mappings for different GPS manufacturers
 */
export declare const EXTENSION_FIELD_MAPPINGS: Record<string, ExtensionFieldMapping[]>;
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