public Builder setTargetTextBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      targetText_ = value;
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
<pre>
Sentence in target language.
</pre>

<code>string target_text = 3;</code>

@param value The bytes for targetText to set.
@return This builder for chaining.
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/Example.java