import { LineMap } from "@mpt/line-map";
import { Source } from "./source.js";
import { SourceBase } from "./source-base.js";
export declare class TextSource<F extends Source.Fragment = Source.Fragment> extends SourceBase<F> {
    #private;
    readonly content: string;
    constructor(content: string);
    /**
     * A line map for this source that can be used
     * for converting between line/character positions and offsets.
     */
    get lineMap(): LineMap;
}