public Builder clearSampleAes() {
      if (sampleAesBuilder_ == null) {
        if (encryptionModeCase_ == 4) {
          encryptionModeCase_ = 0;
          encryptionMode_ = null;
          onChanged();
        }
      } else {
        if (encryptionModeCase_ == 4) {
          encryptionModeCase_ = 0;
          encryptionMode_ = null;
        }
        sampleAesBuilder_.clear();
      }
      return this;
    }
<pre>
Configuration for SAMPLE-AES encryption.
</pre>

<code>.google.cloud.video.transcoder.v1.Encryption.SampleAesEncryption sample_aes = 4;</code>
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/Encryption.java