declare let IS_TEST_ENV: boolean;
export { IS_TEST_ENV };
export declare const DEFAULT_WIDTH = 900;
export declare const DEFAULT_HEIGHT = 600;
export declare const EPSILON = 0.0001;
/** the new NeutralColor (transparent white in AARRGGBB format) */
export declare const NEUTRAL_COLOR = 4294967295;
/**
 * Whether to ATTEMPT WebGPU. Auto mode cannot be fully resolved here - the Apple-vs-Intel Mac
 * split is only visible in the async adapter info, so WebGpuHelper finishes the decision.
 */
export declare const IS_WEB_GPU: boolean;
export declare const IS_WEB_GPU_AUTO: boolean;