Subquery in expressions support

SELECT * FROM (SELECT * FROM b) a

results in

...
PhpMyAdmin\SqlParser\Components\Expression Object
(
    [database] =>
    [table] =>
    [column] =>
    [expr] => (SELECT * FROM b)
    [alias] => a
    [function] =>
    [subquery] => SELECT
)
...

SELECT * FROM a WHERE a.field IN (SELECT * FROM b)

results in

...
...
PhpMyAdmin\SqlParser\Components\Condition Object
(
    [identifiers] => Array
        (
            [0] => a
            [1] => field
            [2] => b
        )

    [isOperator] =>
    [expr] => a.field IN (SELECT * FROM b)
)
...