public Builder setNetworkCodeBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      networkCode_ = value;
      bitField0_ |= 0x00000001;
      onChanged();
      return this;
    }
<pre>
Required. Ad Manager network code to associate with the live 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/GamLiveConfig.java