/**
 * Rename detection with confidence scoring.
 */
import type { AnalyzableNode } from '../types';
interface RenameCandidate {
    oldNode: AnalyzableNode;
    newNode: AnalyzableNode;
    confidence: number;
}
/**
 * Detects probable renames among removed and added nodes.
 */
export declare function detectRenames(removed: AnalyzableNode[], added: AnalyzableNode[], threshold: number): RenameCandidate[];
/**
 * Normalizes a signature for comparison.
 */
export declare function normalizeSignature(sig: string): string;
export {};
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