org.eclipse.papyrus.customization.properties org.eclipse.jdt.core.javabuilder org.eclipse.pde.ManifestBuilder org.eclipse.pde.SchemaBuilder org.eclipse.emf.facet.common.ProjectNature org.eclipse.m2m.qvt.oml.project.QVTONature org.eclipse.jdt.core.javanature org.eclipse.pde.PluginNature