youxi
org.eclipse.jdt.core.javabuilder
org.eclipse.wst.common.project.facet.core.builder
org.eclipse.wst.validation.validationbuilder
org.eclipse.jem.workbench.JavaEMFNature
org.eclipse.wst.common.modulecore.ModuleCoreNature
org.eclipse.wst.common.project.facet.core.nature
org.eclipse.jdt.core.javanature
org.eclipse.wst.jsdt.core.jsNature