@java.lang.Override
    public final Builder mergeUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.mergeUnknownFields(unknownFields);
    }
<pre>
Required. Ad Manager network code to associate with the VOD config.
</pre>

<code>string network_code = 1 [(.google.api.field_behavior) = REQUIRED];</code>

@param value The bytes for networkCode to set.
@return This builder for chaining.
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/GamVodConfig.java