[T] Node

type Node =
  | TypeSpecScriptNode
  | JsSourceFileNode
  | JsNamespaceDeclarationNode
  | TemplateArgumentNode
  | TemplateParameterDeclarationNode
  | ModelPropertyNode
  | UnionVariantNode
  | OperationStatementNode
  | OperationSignatureDeclarationNode
  | OperationSignatureReferenceNode
  | EnumMemberNode
  | EnumSpreadMemberNode
  | ModelSpreadPropertyNode
  | DecoratorExpressionNode
  | DirectiveExpressionNode
  | Statement
  | Expression
  | FunctionParameterNode
  | StringTemplateSpanNode
  | StringTemplateHeadNode
  | StringTemplateMiddleNode
  | StringTemplateTailNode
  | Modifier
  | DocNode
  | DocContent
  | DocTag
  | ReferenceExpression
  | ObjectLiteralNode
  | ObjectLiteralPropertyNode
  | ObjectLiteralSpreadPropertyNode
  | ScalarConstructorNode
  | ArrayLiteralNode;