Property hooks
-----
<?php
class Test {
    public $prop
    {
        get => 42;
    }
}
-----
$stmts[0]->stmts[0]->hooks[] = new Node\PropertyHook('set', new Scalar\Int_(123));
-----
<?php
class Test {
    public $prop
    {
        get => 42;
        set => 123;
    }
}
-----
<?php
class Test {
    public function __construct(
        public $prop
        { get => 42; }
    ) {}
}
-----
$stmts[0]->stmts[0]->params[0]->hooks[] = new Node\PropertyHook('set', new Scalar\Int_(123));
-----
<?php
class Test {
    public function __construct(
        public $prop
        { get => 42;
        set => 123; }
    ) {}
}
-----
<?php
class Test {
    public $prop {
        set
        {
            $a;
        }
    }
}
-----
$stmts[0]->stmts[0]->hooks[0]->body[] = new Stmt\Expression(new Expr\Variable('b'));
-----
<?php
class Test {
    public $prop {
        set
        {
            $a;
            $b;
        }
    }
}
-----
<?php
class Test {
    public $prop {
        get
        => 42;
    }
}
-----
$stmts[0]->stmts[0]->hooks[0]->flags = Modifiers::FINAL;
-----
<?php
class Test {
    public $prop {
        final get
        => 42;
    }
}
-----
<?php
// For now, just make sure this works.
class Test {
    public $prop {
        get
        => 42;
    }
}
-----
$stmts[0]->stmts[0]->hooks[0]->body = [new Stmt\Return_(new Scalar\Int_(24))];
-----
<?php
// For now, just make sure this works.
class Test {
    public $prop {
        get {
            return 24;
        }
    }
}
-----
<?php
// For now, just make sure this works.
class Test {
    public $prop1 {
        & get;
    }
    public $prop2 {
        & get;
    }
}
-----
$stmts[0]->stmts[0]->hooks[0]->body = new Scalar\Int_(24);
$stmts[0]->stmts[1]->hooks[0]->body = [new Stmt\Return_(new Scalar\Int_(24))];
-----
<?php
// For now, just make sure this works.
class Test {
    public $prop1 {
        &get => 24;
    }
    public $prop2 {
        &get {
            return 24;
        }
    }
}