org.eclipse.papyrus.uml.modelexplorer.recipetest org.eclipse.jdt.core.javabuilder org.eclipse.pde.ManifestBuilder org.eclipse.pde.SchemaBuilder org.eclipse.emf.facet.common.core.builder org.eclipse.emf.facet.common.ProjectNature org.eclipse.jdt.core.javanature org.eclipse.pde.PluginNature