import { type Extension } from "@codemirror/state";
export declare class lineClassController {
    readonly className: string;
    private readonly addLineHighlight;
    private readonly lineHighlightField;
    private readonly lineHighlightMark;
    private line;
    private editorView?;
    readonly extension: Extension[];
    private _ready;
    get ready(): boolean;
    constructor(className: string);
    highlightLine(line: number): boolean;
}