import { Point } from '../types/path';
import { Vector3D } from '../utils';
/**
 * ECEF (Earth-Centered, Earth-Fixed) coordinate converter
 * Converts WGS84 coordinates (latitude/longitude/elevation) to ECEF Cartesian coordinates
 */
export declare class EcefConverter {
    /**
     * Convert WGS84 coordinates to ECEF coordinates with optional elevation exaggeration
     * @param coordinates - Geographic coordinates with elevation
     * @param zExaggeration - Elevation exaggeration factor (default: 3)
     * @returns ECEF coordinates as Vector3D
     */
    static toEcef(coordinates: Point, zExaggeration?: number): Vector3D;
}
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