private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.visionai.v1.BoolValue,
            com.google.cloud.visionai.v1.BoolValue.Builder,
            com.google.cloud.visionai.v1.BoolValueOrBuilder>
        getBoolValueFieldBuilder() {
      if (boolValueBuilder_ == null) {
        if (!(valueCase_ == 7)) {
          value_ = com.google.cloud.visionai.v1.BoolValue.getDefaultInstance();
        }
        boolValueBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.visionai.v1.BoolValue,
                com.google.cloud.visionai.v1.BoolValue.Builder,
                com.google.cloud.visionai.v1.BoolValueOrBuilder>(
                (com.google.cloud.visionai.v1.BoolValue) value_, getParentForChildren(), isClean());
        value_ = null;
      }
      valueCase_ = 7;
      onChanged();
      return boolValueBuilder_;
    }
<pre>
A Boolean value.
</pre>

<code>.google.cloud.visionai.v1.BoolValue bool_value = 7;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/Criteria.java