private void ensureTxtValuesIsMutable() {
      if (!txtValues_.isModifiable()) {
        txtValues_ = new com.google.protobuf.LazyStringArrayList(txtValues_);
      }
      bitField0_ |= 0x00000001;
    }
<pre>
A list of string-type values.
</pre>

Protobuf type {@code google.cloud.visionai.v1.StringArray}
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/StringArray.java