@java.lang.Override
    public /* nullable */ java.lang.String getTargetingParametersOrDefault(
        java.lang.String key,
        /* nullable */
        java.lang.String defaultValue) {
      if (key == null) {
        throw new NullPointerException("map key");
      }
      java.util.Map<java.lang.String, java.lang.String> map =
          internalGetTargetingParameters().getMap();
      return map.containsKey(key) ? map.get(key) : defaultValue;
    }
<pre>
[Targeting
parameters](https://support.google.com/admanager/answer/7320899) to send
to Ad Manager to generate a stream ID. This should only be set if the
session uses server-side ad tracking.
</pre>

<code>map&lt;string, string&gt; targeting_parameters = 4;</code>
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/LiveSession.java