</configuration>
        </plugin>
        <plugin>
          <groupId>org.codehaus.modello</groupId>
          <artifactId>modello-maven-plugin</artifactId>
          <!-- TODO: Remove with parent 43 -->
          <version>2.4.0</version>
          <configuration>
            <licenseText>Licensed to the Apache Software Foundation (ASF) under one

                    <contains text="@GwtCompatible"/>
                  </fileset>
                </copy>

            <signature>
              <groupId>com.toasttab.android</groupId>
              <artifactId>gummy-bears-api-21</artifactId>
              <version>0.8.0</version>
              <!-- TODO(cpovirk): In principle, it would make sense to *also* test compatibility with JDK 1.8, since guava-android also has JRE users. -->
            </signature>
            <ignores>

            <configuration>
              <compilerArgs combine.children="append">
                <!-- https://errorprone.info/docs/installation#maven -->
                <!-- TODO(cpovirk): Enable NullArgumentForNonNullParameter for
                     prod code. It's disabled automatically for "test code"
                     (which is good: our tests have intentional violations), but