public Builder clearLabels() {
      bitField0_ = (bitField0_ & ~0x00000800);
      internalGetMutableLabels().getMutableMap().clear();
      return this;
    }
<pre>
Labels associated with this execution.
Labels can contain at most 64 entries. Keys and values can be no longer
than 63 characters and can only contain lowercase letters, numeric
characters, underscores, and dashes. Label keys must start with a letter.
International characters are allowed.
By default, labels are inherited from the workflow but are overridden by
any labels associated with the execution.
</pre>

<code>map&lt;string, string&gt; labels = 11;</code>
java-workflow-executions/proto-google-cloud-workflow-executions-v1/src/main/java/com/google/cloud/workflows/executions/v1/Execution.java