import { SharedFingerprint } from "./sharedFingerprint.js";
import { Region } from "../util/region.js";
/**
 * The information that is needed for one side of a paired occurrence.
 */
export interface ASTRegion {
    /**
     * Start index in the AST of this kgram.
     */
    start: number;
    /**
     * Stop index (inclusive) in the AST of this kgram.
     */
    stop: number;
    /**
     * The index of when this kgram was outputted by the HashFilter.
     * This differs of kgramStart if not all kgrams in a file are outputted.
     */
    index: number;
    /**
     * The selection in the actual file corresponding to this kgram.
     */
    location: Region;
    /**
     * The AST data corresponding to this kgram.
     */
    data: Array<string> | null;
}
/**
 * A paired occurrence represents a common fingerprint between two files.
 *
 * It keeps track of the kgram index in both files, the hashing of the kgram, and
 * the location with its data it represents.
 */
export declare class PairedOccurrence {
    readonly left: ASTRegion;
    readonly right: ASTRegion;
    readonly fingerprint: SharedFingerprint;
    constructor(left: ASTRegion, right: ASTRegion, fingerprint: SharedFingerprint);
}
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