/// <reference types="react" />
import type { CommandFn, EditorKit, LeafContext } from "doc-editor-core";
import { LeafPlugin } from "doc-editor-core";
import type { RenderLeafProps } from "doc-editor-delta";
export declare class UnderLinePlugin extends LeafPlugin {
    private editor;
    key: string;
    constructor(editor: EditorKit);
    destroy(): void;
    match(props: RenderLeafProps): boolean;
    onCommand: CommandFn;
    render(context: LeafContext): JSX.Element;
}