org.eclipse.papyrus.acceleo org.eclipse.jdt.core.javabuilder org.eclipse.pde.ManifestBuilder org.eclipse.pde.SchemaBuilder org.eclipse.acceleo.ide.ui.acceleoBuilder org.eclipse.acceleo.ide.ui.acceleoNature org.eclipse.jdt.core.javanature org.eclipse.pde.PluginNature