All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`CompletableFuture<T>`	`acquire(Duration timeout)`	Zero timeout will be treated as "return object immediately or fail".
`void`	`close()`
`int`	`getAcquiredCount()`
`int`	`getIdleCount()`
`int`	`getPendingAcquireCount()`
`void`	`release(T object)`

acquire
```
CompletableFuture<T> acquire(Duration timeout)
```
Zero timeout will be treated as "return object immediately or fail".

Interface AsyncPool<T>