path: "tensorflow.TensorInfo.CooSparse"
tf_proto {
  descriptor {
    name: "CooSparse"
    field {
      name: "values_tensor_name"
      number: 1
      label: LABEL_OPTIONAL
      type: TYPE_STRING
    }
    field {
      name: "indices_tensor_name"
      number: 2
      label: LABEL_OPTIONAL
      type: TYPE_STRING
    }
    field {
      name: "dense_shape_tensor_name"
      number: 3
      label: LABEL_OPTIONAL
      type: TYPE_STRING
    }
  }
}