/** Clears the cached crate-root export maps. Exported for test isolation. */
export declare function clearRustCrateExportCache(): void;
/**
 * Resolve `symbolName` to the specific (marked, exact-match-only) file that
 * declares it in `crateDir`'s own root file, or `null` when it can't be
 * determined from that file alone.
 *
 * @param workspaceRoot - Absolute path to the project root.
 * @param crateDir - The crate's `src/`-relative directory, from
 *   `resolveRustCrateMap` (e.g. `serde_derive/src`).
 * @param symbolName - The symbol being imported (e.g. `Deserialize`).
 */
export declare function resolveRustCrateRootExport(workspaceRoot: string, crateDir: string, symbolName: string): string | null;
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