import { ViewPlugin, Decoration, DecorationSet, ViewUpdate, EditorView } from '@codemirror/view';
/**
 * Tate-chu-yoko (Horizontal-in-Vertical)
 */
export declare const tateChuYokoPlugin: ViewPlugin<{
    decorations: DecorationSet;
    update(update: ViewUpdate): void;
    buildDeco(view: EditorView): import('@codemirror/state').RangeSet<Decoration>;
}, undefined>;
export declare const tcyTheme: import('@codemirror/state').Extension;
export declare const tcy: import('@codemirror/state').Extension[];
