export_module

def export_module(module: str) -> Callable[[T], T]:
    def decorator(cls: T) -> T:
        original_module = getattr(cls, "__module__", None)
        if original_module:
            fqn = f"{original_module}.{cls.__name__}"
            _PDOC_MODULE_EXPORT_MAPPINGS[fqn] = module
        return cls

    return decorator