code: public ArtifactTypeRegistry artifactTypeRegistry() {
          DefaultArtifactTypeRegistry stereotypes = new DefaultArtifactTypeRegistry();
          stereotypes.add(new DefaultArtifactType("pom"));
          stereotypes.add(new DefaultArtifactType("maven-plugin", "jar", "", "java"));
          stereotypes.add(new DefaultArtifactType("jar", "jar", "", "java"));
          stereotypes.add(new DefaultArtifactType("ejb", "jar", "", "java"));
          stereotypes.add(new DefaultArtifactType("ejb-client", "jar", "client", "java"));
          stereotypes.add(new DefaultArtifactType("test-jar", "jar", "tests", "java"));
          stereotypes.add(new DefaultArtifactType("javadoc", "jar", "javadoc", "java"));
          stereotypes.add(new DefaultArtifactType("java-source", "jar", "sources", "java", false, false));
          stereotypes.add(new DefaultArtifactType("war", "war", "", "java", false, true));
          stereotypes.add(new DefaultArtifactType("ear", "ear", "", "java", false, true));
          stereotypes.add(new DefaultArtifactType("rar", "rar", "", "java", false, true));
          stereotypes.add(new DefaultArtifactType("par", "par", "", "java", false, true));
          return stereotypes;
      }
docs: Returns artifact type registry. Defines standard Maven stereotypes.
  
  @return