public Builder mergeInputConfig(com.google.cloud.video.livestream.v1.InputConfig value) {
      if (inputConfigBuilder_ == null) {
        if (((bitField0_ & 0x00010000) != 0)
            && inputConfig_ != null
            && inputConfig_
                != com.google.cloud.video.livestream.v1.InputConfig.getDefaultInstance()) {
          getInputConfigBuilder().mergeFrom(value);
        } else {
          inputConfig_ = value;
        }
      } else {
        inputConfigBuilder_.mergeFrom(value);
      }
      if (inputConfig_ != null) {
        bitField0_ |= 0x00010000;
        onChanged();
      }
      return this;
    }
<pre>
The configuration for input sources defined in
[input_attachments][google.cloud.video.livestream.v1.Channel.input_attachments].
</pre>

<code>.google.cloud.video.livestream.v1.InputConfig input_config = 25;</code>
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/Channel.java