type TypeMap = { [key: string]: string[]; }; export default class Mime { #private; constructor(...args: TypeMap[]); define(typeMap: TypeMap, force?: boolean): this; getType(path: string): string | null; getExtension(type: string): string | null; getAllExtensions(type: string): Set | null; _freeze(): this; _getTestState(): { types: Map; extensions: Map; }; } export {};