@java.lang.Override
    public long getTotalCharacters() {
      return totalCharacters_;
    }
<pre>
Total number of characters (Unicode codepoints) in all documents.
</pre>

<code>int64 total_characters = 5;</code>

@return The totalCharacters.
java-translate/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/BatchTranslateDocumentResponse.java