code: protected void setBeanDeploymentArchivesAccessibility() {
          for (WeldBeanDeploymentArchive beanDeploymentArchive : beanDeploymentArchives) {
              Set<WeldBeanDeploymentArchive> accessibleArchives = new HashSet<>();
              for (WeldBeanDeploymentArchive candidate : beanDeploymentArchives) {
                  if (candidate.equals(beanDeploymentArchive)) {
                      continue;
                  }
                  accessibleArchives.add(candidate);
              }
              beanDeploymentArchive.setAccessibleBeanDeploymentArchives(accessibleArchives);
          }
      }
docs: By default all bean archives see each other.