public Builder clearNamespace() {
      namespace_ = getDefaultInstance().getNamespace();
      bitField0_ = (bitField0_ & ~0x00000001);
      onChanged();
      return this;
    }
<pre>
Namespace for the guest attribute entry.
</pre>

<code>string namespace = 1;</code>

@return This builder for chaining.
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/GuestAttributesEntry.java