public Builder putMedia(java.lang.String key, com.google.protobuf.Value value) {
      if (key == null) {
        throw new NullPointerException("map key");
      }
      if (value == null) {
        throw new NullPointerException("map value");
      }
      internalGetMutableMedia().ensureBuilderMap().put(key, value);
      bitField0_ |= 0x00000010;
      return this;
    }
<pre>
Optional. The metadata of the chosen media file for the ad.
</pre>

<code>
map&lt;string, .google.protobuf.Value&gt; media = 5 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/AdStitchDetail.java