import { Plugin, PluginKey } from 'prosemirror-state';
export declare const tableControlsPluginKey: PluginKey<any>;
type State = null | {
    upper: {
        from: number;
        to: number;
    };
    left: {
        from: number;
        to: number;
    };
};
export declare const yfmTableControlsPlugin: () => Plugin<State>;
export {};