fr.n7.simplepdl.txt.pdl.tests org.eclipse.xtext.ui.shared.xtextBuilder org.eclipse.jdt.core.javabuilder org.eclipse.pde.ManifestBuilder org.eclipse.pde.SchemaBuilder org.eclipse.xtext.ui.shared.xtextNature org.eclipse.jdt.core.javanature org.eclipse.pde.PluginNature