import { Fragment } from "./fragment.js";
import { Identifiable } from "../util/identifiable.js";
import { FileEntry } from "./fingerprintIndex.js";
import { TokenizedFile } from "../file/tokenizedFile.js";
/**
 * This class represents all the fragments between two files (i.e. the
 * pair of their hashes).
 */
export declare class Pair extends Identifiable {
    readonly leftEntry: FileEntry;
    readonly rightEntry: FileEntry;
    private readonly shared;
    readonly leftFile: TokenizedFile;
    readonly rightFile: TokenizedFile;
    readonly leftCovered: number;
    readonly rightCovered: number;
    readonly leftTotal: number;
    readonly rightTotal: number;
    readonly longest: number;
    readonly similarity: number;
    readonly leftIgnored: number;
    readonly rightIgnored: number;
    constructor(leftEntry: FileEntry, rightEntry: FileEntry);
    private longestCommonSubstring;
    totalCoverLeft(): number;
    totalCoverRight(): number;
    get overlap(): number;
    buildFragments(minimumOccurrences?: number): Array<Fragment>;
    /**
     * Add a new paired occurrence to the pair.
     *
     * Tries to extend existing fragments, or creates a new fragment.
     */
    private addPair;
    /**
     * Remove each Fragment that is contained in a bigger Fragment.
     */
    private squash;
    private removefragment;
    private key;
}
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