import org.argeo.slc.SlcException;\r
import org.argeo.slc.execution.ExecutionFlow;\r
import org.argeo.slc.execution.ExecutionSpecAttribute;\r
+import org.argeo.slc.execution.RefSpecAttribute;\r
+import org.argeo.slc.primitive.PrimitiveSpecAttribute;\r
+import org.argeo.slc.primitive.PrimitiveUtils;\r
\r
/** Manage parameters that need to be set during the instantiation of a flow */\r
public class InstantiationManager {\r