public Builder clearTotalCharacters() {
      bitField0_ = (bitField0_ & ~0x00000001);
      totalCharacters_ = 0L;
      onChanged();
      return this;
    }
<pre>
Total number of characters (Unicode codepoints).
</pre>

<code>int64 total_characters = 1;</code>

@return This builder for chaining.
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/BatchTranslateResponse.java