import { PairedOccurrence } from "./pairedOccurrence.js";
import { Region } from "../util/region.js";
import { Range } from "../util/range.js";
/**
 * A fragment is a collection of one or more consequent pairedOccurrences (kgrams).
 *
 * A fragment can be extended with a new PairedOccurence if its kgram indices in both
 * files are directly after that of the fragment.
 */
export declare class Fragment {
    pairs: Array<PairedOccurrence>;
    leftkgrams: Range;
    rightkgrams: Range;
    leftSelection: Region;
    rightSelection: Region;
    mergedData: Array<string> | null;
    private mergedStart;
    private mergedStop;
    constructor(initial: PairedOccurrence);
    private extendable;
    extendWith(other: PairedOccurrence): void;
    extendWithFragment(other: Fragment): void;
}
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