presto-parser/src/main/java/io/prestosql/sql/tree/LambdaExpression.java/LambdaExpression/LambdaExpression
class LambdaExpression:    public LambdaExpression(NodeLocation location, List<LambdaArgumentDeclaration> arguments, Expression body)
    {
        this(Optional.of(location), arguments, body);
    }