code: def create_summary_metadata(display_name, description, num_thresholds):
    
    pr_curve_plugin_data = plugin_data_pb2.PrCurvePluginData(
        version=PROTO_VERSION, num_thresholds=num_thresholds)
    content = pr_curve_plugin_data.SerializeToString()
    return summary_pb2.SummaryMetadata(
        display_name=display_name,
        summary_description=description,
        plugin_data=summary_pb2.SummaryMetadata.PluginData(
            plugin_name=PLUGIN_NAME,
            content=content))
docs: Create a `summary_pb2.SummaryMetadata` proto for pr_curves plugin data.
  
    Arguments:
      display_name: The display name used in TensorBoard.
      description: The description to show in TensorBoard.
      num_thresholds: The number of thresholds to use for PR curves.
  
    Returns:
      A `summary_pb2.SummaryMetadata` protobuf object.