export declare const isImage: (mimeType: string) => boolean;
export declare const isStream: (mimeType: string) => boolean;
export declare const matchesMimeTypePattern: (mimeType: string, pattern: string) => boolean;
export declare const intersectMimeTypes: (arr1?: string[], arr2?: string[]) => string[] | undefined;
export declare const fileExists: (filePath: string) => Promise<boolean>;