if var_name.startswith(prefix):
      return True
  return False


def main(parsed_args: argparse.Namespace):
  converted_vars = {}

  for var, value in os.environ.items():
    if not value or not should_convert(var,
                                       parsed_args.blacklist,
                                       parsed_args.whitelist_prefix):
      continue

    FreshValueGenerator paramValues = new FreshValueGenerator();
    List<@Nullable Object> passedArgs = new ArrayList<>();
    for (Class<?> paramType : method.getParameterTypes()) {
      passedArgs.add(paramValues.generateFresh(paramType));
    }
    return passedArgs.toArray();
  }

  /** Tests a single interaction against a method. */

    FreshValueGenerator paramValues = new FreshValueGenerator();
    List<@Nullable Object> passedArgs = new ArrayList<>();
    for (Class<?> paramType : method.getParameterTypes()) {
      passedArgs.add(paramValues.generateFresh(paramType));
    }
    return passedArgs.toArray();
  }

  /** Tests a single interaction against a method. */