export declare const MIME_CATEGORIES: { readonly IMAGE: "image"; readonly VIDEO: "video"; readonly AUDIO: "audio"; readonly APPLICATION: "application"; readonly TEXT: "text"; readonly FONT: "font"; }; export type MimeCategory = typeof MIME_CATEGORIES[keyof typeof MIME_CATEGORIES]; export declare function getMimeCategory(mimeType: string): MimeCategory | null; export declare function isBinaryMimeType(mimeType: string): boolean; export declare function normalizeMimeType(mimeType: string): string; export declare function getFileCategoryFromMime(mimeType: string): string; export declare function resolveMimeAlias(mimeType: string): string;