import { FileType, IAttachment, IUploadLimits, IUploadWarn } from '../types/file';
/** Helpers for getting file type and icon */
export declare const getExtension: (filename: string) => string;
export declare const getFileTypeByName: (name: string, type?: string | undefined) => FileType.VIDEO | FileType.WORD | FileType.TEXT | FileType.ZIP | FileType.EXCEL | FileType.PPT | FileType.PDF | FileType.CODE | FileType.IMAGE | FileType.SVG | FileType.DEFAULT | FileType.AI | FileType.THREE_D;
export declare const getAcceptByMimeType: (mimeType?: string[] | undefined) => string;
export declare const getPrviewUrlByFile: (file: File) => string;
export declare const checkFileMimeType: (type: string, fileMimeType?: string[]) => boolean;
export declare const checkFilesWithLimitOptions: (files: File[], { fileCount, fileSize }: {
    fileCount?: number | undefined;
    fileSize?: number | undefined;
}, { maxFileCount, maxFileSize, singleFileSize, fileMimeType }: IUploadLimits, callback?: ((warns: IUploadWarn[]) => void) | undefined) => File[];
export declare const downloadFileByBlob: (data: Blob, fileName: string) => Promise<void>;
export declare const downloadFile: (file: IAttachment) => Promise<void>;
export declare const downloadFiles: (files: IAttachment[], zipFileName?: string) => Promise<void>;