presto-parser/src/main/java/io/prestosql/sql/tree/TryExpression.java/TryExpression/TryExpression
class TryExpression:    private TryExpression(Optional<NodeLocation> location, Expression innerExpression)
    {
        super(location);
        this.innerExpression = requireNonNull(innerExpression, "innerExpression is null");
    }