import type { Node } from 'prosemirror-model';
import type { EditorState } from 'prosemirror-state';
import type { PopperProps } from '@material-ui/core';
export declare type ActionProps = {
    stateId: any;
    viewId: string | null;
};
export declare function getFigure(editorState: EditorState | null): {
    figure: {
        pos: number;
        start: number;
        depth: number;
        node: Node;
    } | undefined;
    figcaption: import("@curvenote/prosemirror-utils").NodeWithPos | undefined;
};
declare type NodeOrNodeFunction = (() => Element | null) | Element | null;
export declare type AnchorCache = {
    anchorEl: PopperProps['anchorEl'];
    setNode: (node: NodeOrNodeFunction) => void;
    getNode: () => Element | null;
};
export declare function createPopperLocationCache(): AnchorCache;
export {};