import { PluginKey } from "prosemirror-state";
import { EditorView } from "prosemirror-view";
import { Node as PMNode, Schema } from "prosemirror-model";
import { imageAlign, ImagePluginSettings } from "./types";
export declare const dataURIToFile: (dataURI: string, name: string) => File;
export declare const imagePluginKey: PluginKey<import("prosemirror-view").DecorationSet>;
export type ImageUploadReturn = {
    url: string;
    alt?: string;
};
export declare const startImageUploadFn: (view: EditorView, uploadFile: () => Promise<ImageUploadReturn>, pos?: number) => Promise<ImageUploadReturn>;
export declare const startImageUpload: (view: EditorView, file: File, alt: string, pluginSettings: ImagePluginSettings, schema: Schema, pos?: number) => void;
export declare const generateChangeAlignment: (align: imageAlign, getPos: () => number | undefined, view: EditorView, node: PMNode) => () => void;
export declare const clamp: (min: number, value: number, max: number) => number;
export declare const fetchImageAsBase64: (url: string) => Promise<string>;
export interface Store {
    get: (key: string) => string | undefined;
    set: (key: string, value: string) => void;
}
export declare const localStorageCache: (keyPrefix: string) => Store;
export declare const imageCache: (cache: Store, shortStore?: Map<string, Promise<string>>) => (downloadImage: (url: string) => Promise<string>) => (url: string) => Promise<string>;
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