The Masculine Mystique org.eclipse.ui.externaltools.ExternalToolBuilder full,incremental, LaunchConfigHandle <project>/.externalToolBuilders/org.eclipse.wst.validation.validationbuilder (3).launch org.eclipse.ui.externaltools.ExternalToolBuilder auto,full,incremental, LaunchConfigHandle <project>/.externalToolBuilders/TheMasculineMystique.launch org.eclipse.wst.jsdt.core.jsNature