import org.simantics.scl.compiler.constants.generic.MethodRef.FieldRef;
import org.simantics.scl.compiler.constants.generic.MethodRef.SetFieldRef;
import org.simantics.scl.compiler.elaboration.chr.analysis.UsageAnalysis;
-import org.simantics.scl.compiler.elaboration.chr.plan.PlanOp;
import org.simantics.scl.compiler.elaboration.chr.plan.PlanRealizer;
import org.simantics.scl.compiler.elaboration.chr.plan.PrioritizedPlan;
import org.simantics.scl.compiler.elaboration.chr.relations.CHRConstraint;