❔ How to cast to a generic of object?

public class ApiResult<T> where T : class
{
    public bool Success { get; set; }
    public T Data { get; set; }
}

public class ApiResult : ApiResult<object>
{
}

public static class HttpResponseExtensions
{
    public static ApiResult ParseApiResult(this HttpResponse response)
    {
        // I cannot do this because ApiResult<object> is not compatible with ApiResult<T>
        return response.Headers["Structure"] switch
        {
            "text" => response.ParseString(),
            "list" => response.ParseList(),
            "table" => response.ParseTable(),
            _ => null
        };
    }

    private static ApiResult<List<string>> ParseList(this HttpResponse response)
    {
        return new ApiResult<List<string>>();
    }

    private static ApiResult<string> ParseString(this HttpResponse response)
    {
        return new ApiResult<string>();
    }

    private static ApiResult<List<List<string>>> ParseTable(this HttpResponse response)
    {
        return new ApiResult<List<List<string>>>();
    }
}