def __get__(
        self, instance: EnvironmentVariables, owner: type[EnvironmentVariables]
    ):
        """Get the EnvVar instance.

        Args:
            instance: The instance.
            owner: The owner class.

        Returns:
            The EnvVar instance.
        """
        type_ = get_args(get_type_hints_environment(owner)[self.name])[0]
        env_name = self.name
        if self.internal:
            env_name = f"__{env_name}"
        return EnvVar(name=env_name, default=self.default, type_=type_)
Get the EnvVar instance.

        Args:
            instance: The instance.
            owner: The owner class.

        Returns:
            The EnvVar instance.
        
reflex/environment.py