[T] ProjectionExpression

type ProjectionExpression:
  | ProjectionLogicalExpressionNode
  | ProjectionRelationalExpressionNode
  | ProjectionEqualityExpressionNode
  | ProjectionUnaryExpressionNode
  | ProjectionArithmeticExpressionNode
  | ProjectionCallExpressionNode
  | ProjectionMemberExpressionNode
  | ProjectionDecoratorReferenceExpressionNode
  | ProjectionTupleExpressionNode
  | ProjectionModelExpressionNode
  | ProjectionIfExpressionNode
  | ProjectionBlockExpressionNode
  | ProjectionLambdaExpressionNode
  | StringLiteralNode
  | NumericLiteralNode
  | BooleanLiteralNode
  | IdentifierNode
  | VoidKeywordNode
  | NeverKeywordNode
  | AnyKeywordNode
  | ReturnExpressionNode;