import WebMercatorViewport from 'viewport-mercator-project';
export declare const MAPBOX_TILE_SIZE = 512;
/**
 * bounds should be [minLng, minLat, maxLng, maxLat]
 * @param {*} bounds
 */
export declare function validateBounds(bounds: any): any[] | null;
export declare function getCenterAndZoomFromBounds(bounds: any, { width, height }: {
    width: any;
    height: any;
}): {
    zoom: number;
    center: number[];
} | null;
/**
 * Add extra info about screen space position and world position to the event.
 * @param {*} event Event to normalize.
 * @param {*} viewport Current viewport.
 * @returns Normalized event with extra information compatible with React-map-gl MapLayerMouseEvent
 * https://visgl.github.io/react-map-gl/docs/api-reference/types#maplayermouseevent
 */
export declare function normalizeEvent(event: any, viewport: WebMercatorViewport): any;