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package rba.tool.editor.scoping
import org.eclipse.emf.ecore.EObject
import org.eclipse.xtext.scoping.IScope
interface IExpressionScope {
enum Anchor {
UNKNOWN,
CONSTRAINT
}
def IScope getFeatureScope(EObject model, IExpressionScope.Anchor anchor);
IExpressionScope NULL = new NullExpressionScope();
class NullExpressionScope implements IExpressionScope {
override getFeatureScope(EObject model, IExpressionScope.Anchor anchor) {
return IScope.NULLSCOPE;
}
}
}
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