import { FileSystemHandle } from "browser-fs-access";
import { ExcalidrawElement } from "../element/types";
import { AppState } from "../types";
import { ImportedLibraryData } from "./types";
export declare const getMimeType: (blob: Blob | string) => string;
export declare const getFileHandleType: (handle: FileSystemHandle | null) => string | null;
export declare const isImageFileHandleType: (type: string | null) => type is "svg" | "png";
export declare const isImageFileHandle: (handle: FileSystemHandle | null) => boolean;
export declare const loadFromBlob: (blob: Blob, localAppState: AppState | null, localElements: readonly ExcalidrawElement[] | null) => Promise<import("./restore").RestoredDataState>;
export declare const loadLibraryFromBlob: (blob: Blob) => Promise<ImportedLibraryData>;
export declare const canvasToBlob: (canvas: HTMLCanvasElement) => Promise<Blob>;