path: "tensorflow.HistogramProto"
tf_proto {
  descriptor {
    name: "HistogramProto"
    field {
      name: "min"
      number: 1
      label: LABEL_OPTIONAL
      type: TYPE_DOUBLE
    }
    field {
      name: "max"
      number: 2
      label: LABEL_OPTIONAL
      type: TYPE_DOUBLE
    }
    field {
      name: "num"
      number: 3
      label: LABEL_OPTIONAL
      type: TYPE_DOUBLE
    }
    field {
      name: "sum"
      number: 4
      label: LABEL_OPTIONAL
      type: TYPE_DOUBLE
    }
    field {
      name: "sum_squares"
      number: 5
      label: LABEL_OPTIONAL
      type: TYPE_DOUBLE
    }
    field {
      name: "bucket_limit"
      number: 6
      label: LABEL_REPEATED
      type: TYPE_DOUBLE
      options {
        packed: true
      }
    }
    field {
      name: "bucket"
      number: 7
      label: LABEL_REPEATED
      type: TYPE_DOUBLE
      options {
        packed: true
      }
    }
  }
}