public Builder putAllLabels(java.util.Map<java.lang.String, java.lang.String> values) {
      internalGetMutableLabels().getMutableMap().putAll(values);
      bitField0_ |= 0x00000010;
      return this;
    }
<pre>
Optional. Labels as key value pairs. The key and value should contain
characters which are UTF-8 compliant and less than 50 characters.
</pre>

<code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
java-telcoautomation/proto-google-cloud-telcoautomation-v1alpha1/src/main/java/com/google/cloud/telcoautomation/v1alpha1/EdgeSlm.java