fil/docs/snippets/dart/plugins/pdf_metadata_extractor.md

import 'package:kreuzberg/kreuzberg.dart';

Future<void> main() async {
  // Custom document extractors cannot be implemented in Dart. Creating a
  // PDF metadata extractor would require implementing the DocumentExtractor
  // trait, but flutter_rust_bridge does not generate the
  // createDocumentExtractorDartImpl factory function.
  //
  // Implement the PDF metadata extractor in Rust and register it via a
  // Rust shim crate that links kreuzberg before the Dart host loads the
  // dynamic library.
}