Use the decorator pattern

core/command/app/checkcode.php

lib/private/app/codechecker/codechecker.php

lib/private/app/codechecker/deprecationcheck.php

lib/private/app/codechecker/emptycheck.php

lib/private/app/codechecker/icheck.php

lib/private/app/codechecker/nodevisitor.php

lib/private/app/codechecker/privatecheck.php

lib/private/app/codechecker/strongcomparisoncheck.php

tests/lib/app/codechecker/codecheckertest.php

tests/lib/app/codechecker/deprecationchecktest.php

tests/lib/app/codechecker/mock/testlist.php

tests/lib/app/codechecker/nodevisitortest.php

tests/lib/app/codechecker/strongcomparisonchecktest.php