export declare const isImageFile: (file: File) => boolean;
export declare const readBlobAsArrayBuffer: (blob: Blob) => Promise<ArrayBuffer>;
export declare const createFileFromBlobs: ({ blobsArray, fileName, mimeType, }: {
    blobsArray: Blob[];
    fileName: string;
    mimeType: string;
}) => File;
export declare const getExtensionFromMimeType: (mimeType: string) => string | null;
export declare const createUriFromBlob: (blob: Blob) => Promise<string | ArrayBuffer | undefined>;