public Builder clearLabels() {
      bitField0_ = (bitField0_ & ~0x00000008);
      internalGetMutableLabels().getMutableMap().clear();
      return this;
    }
<pre>
Labels as key value pairs.
</pre>

<code>map&lt;string, string&gt; labels = 4;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/Channel.java