public com.google.protobuf.ByteString getContentBytes(int index) {
    return content_.getByteString(index);
  }
<pre>
Required. The content of the input in string format.
</pre>

<code>repeated string content = 3 [(.google.api.field_behavior) = REQUIRED];</code>

@param index The index of the value to return.
@return The bytes of the content at the given index.
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/AdaptiveMtTranslateRequest.java