@java.lang.Override
  public com.google.protobuf.ByteString getMimeTypeBytes() {
    java.lang.Object ref = mimeType_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      mimeType_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<pre>
The translated document's mime type.
</pre>

<code>string mime_type = 2;</code>

@return The bytes for mimeType.
java-translate/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/DocumentTranslation.java