import type { AudioExtension, RasterExtension, VectorExtension, VideoExtension } from "../../types/misc";
export declare const addSubstract: Readonly<{
    "+": (a: number, b: number) => number;
    "-": (a: number, b: number) => number;
}>;
export declare const MINUTE = 60000;
export declare const DAY: number;
export declare const WEEK: number;
export declare const MONTH: number;
export declare const vectorExtensions: VectorExtension[];
export declare const rasterExtensions: RasterExtension[];
export declare const videoExtensions: VideoExtension[];
export declare const audioExtensions: AudioExtension[];