public Builder clearDefaultValue() {
        bitField0_ = (bitField0_ & ~0x00000004);
        defaultValue_ = null;
        if (defaultValueBuilder_ != null) {
          defaultValueBuilder_.dispose();
          defaultValueBuilder_ = null;
        }
        onChanged();
        return this;
      }
<pre>
The default value for the attribute.
</pre>

<code>.google.cloud.visionai.v1.AttributeValue default_value = 3;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/OperatorDefinition.java