org.eclipse.papyrus.emf.facet.util.ui org.eclipse.jdt.core.javabuilder org.eclipse.pde.ManifestBuilder org.eclipse.pde.SchemaBuilder org.eclipse.pde.PluginNature org.eclipse.jdt.core.javanature net.sourceforge.pmd.eclipse.plugin.pmdNature edu.umd.cs.findbugs.plugin.eclipse.findbugsNature org.eclipse.pde.api.tools.apiAnalysisNature net.sf.eclipsecs.core.CheckstyleNature