public Builder clearBoolValue() {
      if (valueCase_ == 3) {
        valueCase_ = 0;
        value_ = null;
        onChanged();
      }
      return this;
    }
<pre>
A Boolean value represented by `true` or `false`.
</pre>

<code>bool bool_value = 3;</code>

@return This builder for chaining.
java-trace/proto-google-cloud-trace-v2/src/main/java/com/google/devtools/cloudtrace/v2/AttributeValue.java