public Builder clearTensorflowVersion() {
      tensorflowVersion_ = getDefaultInstance().getTensorflowVersion();
      bitField0_ = (bitField0_ & ~0x00000080);
      onChanged();
      return this;
    }
<pre>
Required. The version of Tensorflow running in the Node.
</pre>

<code>string tensorflow_version = 11 [(.google.api.field_behavior) = REQUIRED];</code>

@return This builder for chaining.
java-tpu/proto-google-cloud-tpu-v1/src/main/java/com/google/cloud/tpu/v1/Node.java