InterfacesObjectTypeExtensionNodeOn this pageObjectTypeExtensionNode Index PropertiesdirectivesfieldsinterfaceskindlocnameProperties optionalreadonlydirectivesdirectives?: readonly ConstDirectiveNode[]optionalreadonlyfieldsfields?: readonly FieldDefinitionNode[]optionalreadonlyinterfacesinterfaces?: readonly NamedTypeNode[]readonlykindkind: OBJECT_TYPE_EXTENSIONoptionalreadonlylocloc?: Locationreadonlynamename: NameNode