org.eclipse.mylar.tasks org.eclipse.jdt.core.javabuilder org.eclipse.pde.ManifestBuilder org.eclipse.pde.SchemaBuilder org.eclipse.jem.workbench.JavaEMFNature org.eclipse.jdt.core.javanature org.eclipse.pde.PluginNature org.eclipse.jem.beaninfo.BeanInfoNature