/**
 * Simple helper functions for file interaction.
 */
export declare const FileUtils: {
    /**
     * Loads a file from the file system.
     * It uses @see document and is therefore directly dependent on the DOM.
     *
     * @param onLoad The callback.
     * @param type The content type.
     */
    loadFile: (onLoad: (files: {
        file: File;
        content: any;
    }[]) => void, type?: "DataURL" | "ArrayBuffer" | "BinaryString" | "Text" | undefined, multiple?: boolean | undefined) => void;
};
