🏠InterfacesUnionTypeExtensionNodeOn this pageUnionTypeExtensionNode Index PropertiesdirectiveskindlocnametypesProperties optionalreadonlydirectivesdirectives?: readonly ConstDirectiveNode[]readonlykindkind: UNION_TYPE_EXTENSIONoptionalreadonlylocloc?: Locationreadonlynamename: NameNodeoptionalreadonlytypestypes?: readonly NamedTypeNode[]