@NotNull
  private static String buildDisplayMethodName(@NotNull final PyFunction pyFunction) {
    final StringBuilder builder = new StringBuilder(pyFunction.getName());
    builder.append('(');
    final PyParameter[] arguments = pyFunction.getParameterList().getParameters();
    for (final PyParameter parameter : arguments) {
      builder.append(parameter.getName());
      if (arguments.length > 1 && parameter != arguments[arguments.length - 1]) {
        builder.append(", ");
      }
    }
    builder.append(')');
    return builder.toString();
  }
@NotNull
  private static String buildDisplayMethodName(@NotNull final PyFunction pyFunction)