import type { Node } from "prosemirror-model";
import type { JSONValue } from "@fiduswriter/document";
import { Dialog } from "fwtoolkit";
import type { Editor, EditorImageDB } from "../types.js";
interface MathfieldElementInstance extends HTMLElement {
    value: string;
    getValue(): string;
    select(): void;
}
export declare class FigureDialog {
    editor: Editor;
    imageDB: EditorImageDB;
    userImageDB: EditorImageDB;
    imgId: number | false;
    imgDb: "document" | "user" | false;
    copyright: Record<string, JSONValue> | false;
    insideFigure: boolean;
    figureNode: Node | false;
    contentNode: Node | false;
    caption: boolean;
    category: string;
    aligned: string;
    width: string;
    equation: string;
    node: Node | null;
    submitMessage: string;
    dialog: Dialog | false;
    mathliveDOM: HTMLElement;
    nonMathElements: HTMLElement[];
    mathField: MathfieldElementInstance | false;
    constructor(editor: Editor);
    layoutMathEditor(): void;
    showPlaceHolder(): void;
    hidePlaceHolder(): void;
    showHideNonMathElements(): void;
    selectImage(): void;
    layoutImagePreview(): Promise<void>;
    submitForm(): Promise<boolean>;
    findFigure(state: {
        selection: {
            node?: Node;
            $head: {
                depth: number;
                node(d: number): Node;
            };
        };
    }): Node | null;
    init(): boolean;
}
export {};
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