SEL.HasDisplayColumn <R L0.HasProperty : L0.FunctionalRelation
SEL.HasFormatter <R L0.HasProperty : L0X.ResourcePropertyRelation
+SEL.formatter ==> "Dynamic -> String" <R L0.HasProperty
SEL.HasDisplayProperty <R L0.HasProperty : L0.FunctionalRelation
L0.RequiresValueType "String"