@java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      hash = (37 * hash) + USAGE_FIELD_NUMBER;
      hash = (53 * hash) + getUsage().hashCode();
      switch (sourceCase_) {
        case 3:
          hash = (37 * hash) + GCS_SOURCE_FIELD_NUMBER;
          hash = (53 * hash) + getGcsSource().hashCode();
          break;
        case 0:
        default:
      }
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }
<pre>
Google Cloud Storage file source.
</pre>

<code>.google.cloud.translation.v3.GcsInputSource gcs_source = 3;</code>
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/DatasetInputConfig.java