Get file properties

import 'package:amplify_flutter/amplify_flutter.dart';

Future<void> getFileProperties() async {
  try {
    final result = await Amplify.Storage.getProperties(
      key: 'example.txt',
    ).result;

    safePrint('File size: ${result.storageItem.size}');
  } on StorageException catch (e) {
    safePrint('Could not retrieve properties: ${e.message}');
    rethrow;
  }
}