[T] Type
type Type =  | BooleanLiteral  | Decorator  | Enum  | EnumMember  | FunctionParameter  | Interface  | IntrinsicType  | Model  | ModelProperty  | Namespace  | NumericLiteral  | Operation  | Scalar  | ScalarConstructor  | StringLiteral  | StringTemplate  | StringTemplateSpan  | TemplateParameter  | Tuple  | Union  | UnionVariant;