使用 `type[...]` 参数调用 `dataclass_transform` 函数时,返回的不是声明的返回类型,而是内部占位符类型

info[revealed-type]: Revealed type --> repro.py:15:13 | 15 | reveal_type(Decorated) # <class 'Decorated'>: correct | ^^^^^^^^^^^^^ <class 'Decorated'>

info[revealed-type]: Revealed type --> repro.py:16:13 | 16 | reveal_type(Decorated(1)) # Decorated: correct | ^^^^^^^^^^^^ Decorated

info[revealed-type]: Revealed type --> repro.py:24:17 | 24 | reveal_type(record(Point)) # <class 'Point'>: correct | ^^^^^^^^^^^^^ <class 'Point'>

info[revealed-type]: Revealed type --> repro.py:28:17 | 28 | reveal_type(record(cls)) # placeholder; expected type[Point] | ^^^^^^^^^^^ <decorator produced by dataclass-like function>

info[revealed-type]: Revealed type --> repro.py:33:17 | 33 | reveal_type(built) # …