docs: public void add(Project project2) {
          analysisTargets = appendWithoutDuplicates(analysisTargets, project2.analysisTargets);
          srcDirList = appendWithoutDuplicates(srcDirList, project2.srcDirList);
          auxClasspathEntryList = appendWithoutDuplicates(auxClasspathEntryList, project2.auxClasspathEntryList);
      }