Serialize Builtin Files.launch

<?xml version="1.0" encoding="UTF-8"?>
<launchConfiguration type="org.eclipse.ant.AntBuilderLaunchConfigurationType">
<booleanAttribute key="org.eclipse.debug.ui.ATTR_LAUNCH_IN_BACKGROUND" value="false"/>
<booleanAttribute key="org.eclipse.jdt.launching.DEFAULT_CLASSPATH" value="true"/>
<stringAttribute key="org.eclipse.ui.externaltools.ATTR_BUILD_SCOPE" value="${working_set:&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;&#10;&lt;launchConfigurationWorkingSet factoryID=&quot;org.eclipse.ui.internal.WorkingSetFactory&quot; name=&quot;workingSet&quot; editPageId=&quot;org.eclipse.ui.resourceWorkingSetPage&quot;&gt;&#10;&lt;item factoryID=&quot;org.eclipse.ui.internal.model.ResourceFactory&quot; path=&quot;/jruby/src/compiler&quot; type=&quot;2&quot;/&gt;&#10;&lt;item factoryID=&quot;org.eclipse.ui.internal.model.ResourceFactory&quot; path=&quot;/jruby/src/builtin&quot; type=&quot;2&quot;/&gt;&#10;&lt;/launchConfigurationWorkingSet&gt;&#10;}"/>
<stringAttribute key="org.eclipse.ui.externaltools.ATTR_RUN_BUILD_KINDS" value="full,incremental,auto,"/>
<stringAttribute key="org.eclipse.ui.externaltools.ATTR_LOCATION" value="${project_loc}/build.xml"/>
<booleanAttribute key="org.eclipse.ui.externaltools.ATTR_TRIGGERS_CONFIGURED" value="true"/>
<booleanAttribute key="org.eclipse.debug.core.appendEnvironmentVariables" value="true"/>
<stringAttribute key="org.eclipse.jdt.launching.CLASSPATH_PROVIDER" value="org.eclipse.ant.ui.AntClasspathProvider"/>
<stringAttribute key="org.eclipse.ui.externaltools.ATTR_ANT_TARGETS" value="serialize,"/>
</launchConfiguration>