public int getUnreachableCount() {
      return unreachable_.size();
    }
<pre>
Locations that could not be reached when making an aggregated query using
wildcards.
</pre>

<code>repeated string unreachable = 3;</code>

@return The count of unreachable.
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/ListNodeTypesResponse.java