/**
 * Identity enrichment for structural diffs.
 *
 * When WARP indexed truth is available, projects canonical symbol
 * identity (`sid:*`) onto DiffEntry objects. Level 1 address truth
 * (name, kind, signature) is preserved — identityId is additive.
 *
 * Symbols without indexed identity keep identityId undefined.
 * This module never fabricates identity from heuristics.
 */
import type { GraftDiffResult } from "./graft-diff.js";
/**
 * Identity lookup: maps symbol name to identityId for a single file.
 */
export type IdentityMap = ReadonlyMap<string, string>;
/**
 * Resolves canonical symbol identities for a file path.
 * Returns an empty map when the file has no indexed symbols.
 */
export type IdentityResolver = (filePath: string) => Promise<IdentityMap>;
/**
 * Enrich a GraftDiffResult with canonical symbol identities.
 *
 * For each file in the diff, resolves symbol identities through the
 * provided resolver and attaches them to matching DiffEntry objects.
 * Files with no indexed symbols pass through unchanged.
 *
 * This function is safe to call even when the resolver has no data —
 * it gracefully degrades to returning the original result.
 */
export declare function enrichDiffWithIdentity(result: GraftDiffResult, resolve: IdentityResolver): Promise<GraftDiffResult>;
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