<fileset dir="${project.build.directory}/guava-sources">
                    <contains text="@GwtCompatible"/>
                  </fileset>
                </copy>
                <!-- The following don't contain @GwtCompatible for dependency reasons. -->
                <copy toDir="${project.build.directory}/guava-gwt-sources">
                  <fileset dir="${project.build.directory}/guava-sources">

                <configuration>
                  <excludeDefaultDirectories>true</excludeDefaultDirectories>
                  <filesets>
                    <fileset>
                      <directory>${distributionTargetDir}</directory>
                    </fileset>
                  </filesets>
                </configuration>
              </execution>
            </executions>
          </plugin>
          <plugin>