import type { UploadFileListItem, UploadMaxSize, UploadResultType } from './types';
declare const name: Capitalize<string>, bem: (el?: import("xzx-design/es/utils").Mods | undefined, mods?: import("xzx-design/es/utils").Mods | undefined) => import("xzx-design/es/utils").Mods, t: (path: string, ...args: unknown[]) => any;
export { name, bem, t };
export declare function readFileContent(file: File, resultType: UploadResultType): Promise<string | void>;
export declare function isOversize(items: UploadFileListItem | UploadFileListItem[], maxSize: UploadMaxSize): boolean;
export declare function filterFiles(items: UploadFileListItem[], maxSize: UploadMaxSize): {
    valid: UploadFileListItem[];
    invalid: UploadFileListItem[];
};
export declare const isImageUrl: (url: string) => boolean;
export declare function isImageFile(item: UploadFileListItem): boolean;