import { AssetPromise } from "./asset/AssetPromise";
import { Engine } from "./Engine";
import { Platform } from "./Platform";
import { TextureFormat } from "./texture";
/**
 * Access operating system, platform and hardware information.
 */
export declare class SystemInfo {
    /** The platform is running on. */
    static platform: Platform;
    /** The operating system is running on. */
    static operatingSystem: string;
    /** Whether the system support SIMD. */
    private static _simdSupported;
    private static _webpSupported;
    /**
     * The pixel ratio of the device.
     */
    static get devicePixelRatio(): number;
    private static _parseAppleMobileOSVersion;
    static _checkWebpSupported(): AssetPromise<boolean>;
    /**
     * Checks whether the system supports the given texture format.
     * @param format - The texture format
     * @returns Whether support the texture format
     */
    static supportsTextureFormat(engine: Engine, format: TextureFormat): boolean;
}