Suspense demo without server components ....
Loading a1...Loading a2...Loading a3...Loading a4...
{
"cacheKey": "a4",
"refreshCount": 0,
"delay": 0,
"env": "server"
}{
"cacheKey": "a1",
"refreshCount": 0,
"delay": 500,
"env": "server"
}{
"cacheKey": "a3",
"refreshCount": 0,
"delay": 1000,
"env": "server"
}{
"cacheKey": "a2",
"refreshCount": 0,
"delay": 1500,
"env": "server"
}