interface Vec2 {
    x: number;
    y: number;
}

/**
 * Coordinates in [-1 ... +1].
 * Left bottom is (-1; -1).
 * Right top is (+1; +1).
 * Center is (0; 0).
 */
interface WorldCoordinates extends Vec2 {
    readonly type?: 'world';
    z?: number;
}
/**
 * Global pixel coordinates. World size depends on zoom.
 * Left top is (0; 0).
 * Right bottom is (2**(zoom + 8); 2**(zoom + 8)).
 */
interface PixelCoordinates extends Vec2 {
    readonly type?: 'pixel';
}

/**
 * Converts world coordinates to pixel coordinates. Pixels are in (0, 0) (width, height) range.
 */
declare function worldToPixels(coordinates: WorldCoordinates, zoom: number): PixelCoordinates;
/**
 * Converts pixels in (0, 0) (width, height) to world coordinates.
 */
declare function pixelsToWorld(pixels: PixelCoordinates, zoom: number): WorldCoordinates;

export { pixelsToWorld, worldToPixels };