Jack org.eclipse.jdt.core.javabuilder net.sf.eclipsecs.core.CheckstyleBuilder org.eclipse.ui.externaltools.ExternalToolBuilder auto,full,incremental, LaunchConfigHandle <project>/.externalToolBuilders/Antlr Builder Proguard.launch org.eclipse.ui.externaltools.ExternalToolBuilder auto,full,incremental, LaunchConfigHandle <project>/.externalToolBuilders/Antlr Builder PreProcessor.launch edu.umd.cs.findbugs.plugin.eclipse.findbugsBuilder org.eclipse.jdt.core.javanature net.sf.eclipsecs.core.CheckstyleNature org.deved.antlride.core.nature edu.umd.cs.findbugs.plugin.eclipse.findbugsNature