hello_world_fb4_blazeds org.eclipse.wst.jsdt.core.javascriptValidator org.eclipse.jdt.core.javabuilder org.eclipse.wst.common.project.facet.core.builder com.adobe.flexbuilder.project.flexbuilder org.eclipse.wst.validation.validationbuilder org.eclipse.jem.workbench.JavaEMFNature org.eclipse.wst.common.modulecore.ModuleCoreNature com.adobe.flexbuilder.project.flexnature com.adobe.flexbuilder.project.actionscriptnature org.eclipse.wst.common.project.facet.core.nature org.eclipse.jdt.core.javanature org.eclipse.wst.jsdt.core.jsNature