export declare enum ErrorCode {
    ELEMENT_IS_NULL = 1,
    IS_NOT_FILE_LIST = 2,
    NO_FILES_SELECTED = 3
}
export default class InputFileReader {
    private static _reader;
    static readFileFromHTMLInputElement(element: HTMLInputElement, fileIndex?: number): Promise<string | Uint8Array>;
    static readFile(file: File): Promise<string | Uint8Array>;
}
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