Function check

__tests__/extraction.test.ts:2769–2774

(inp: string, macro: string, rest: string)

      // byte-for-byte the same length and identical *except* the macro is gone —
      // every downstream line/column stays exact.
      const check = (inp: string, macro: string, rest: string) => {
        const out = blankCppExportMacros(inp);
        expect(out.length).toBe(inp.length); // every byte offset preserved
        expect(out).not.toContain(macro); // the macro token is blanked
        expect(out.replace(/ +/g, ' ')).toBe(rest); // nothing else changed
      };
      // Generalizes across the export-macro space: UE _API, Qt/Boost _EXPORT,
      // LLVM _ABI, bare API.
      check(