ListObservable com.android.ide.eclipse.adt.ResourceManagerBuilder com.android.ide.eclipse.adt.PreCompilerBuilder org.eclipse.jdt.core.javabuilder com.android.ide.eclipse.adt.ApkBuilder org.eclipse.xtext.ui.shared.xtextBuilder com.android.ide.eclipse.adt.AndroidNature org.eclipse.jdt.core.javanature org.eclipse.xtext.ui.shared.xtextNature