import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A TimeLimiter that runs method calls in the background using an {@link ExecutorService}. If the
 * time limit expires for a given method call, the thread running the call will be interrupted.
 *
 * @author Kevin Bourrillion
 * @author Jens Nyman
 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault

/**
 * Implementation of {@code Futures#withTimeout}.
 *
 * <p>Future that delegates to another but will finish early (via a {@link TimeoutException} wrapped
 * in an {@link ExecutionException}) if the specified duration expires. The delegate future is
 * interrupted and cancelled if it times out.
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault

	}
}

// waitWithContextFunc creates a channel that receives an item every time a test
// should be executed and is closed when the last test should be invoked.
//
// When the specified context gets cancelled or expires the function
// stops sending item and returns immediately.
//
// Deprecated: Will be removed in a future release in favor of
// loopConditionUntilContext.

/**
 * Implementation of {@code Futures#withTimeout}.
 *
 * <p>Future that delegates to another but will finish early (via a {@link TimeoutException} wrapped
 * in an {@link ExecutionException}) if the specified duration expires. The delegate future is
 * interrupted and cancelled if it times out.
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault

		// indefinitely...
		timeout = timediv(ns, 1000, nil)
		if timeout == 0 {
			timeout = 1
		}
	}

	// sys_umtx_sleep will return EWOULDBLOCK (EAGAIN) when the timeout
	// expires or EBUSY if the mutex value does not match.
	ret := sys_umtx_sleep(addr, int32(val), timeout)
	if ret >= 0 || ret == -_EINTR || ret == -_EAGAIN || ret == -_EBUSY {
		return
	}

```
curl -v $(go run presigned.go)
...
...
> GET /functionbucket/testobject?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=minioadmin%2F20230205%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20230205T173023Z&X-Amz-Expires=1000&X-Amz-SignedHeaders=host&lambdaArn=arn%3Aminio%3As3-object-lambda%3A%3Atoupper%3Awebhook&X-Amz-Signature=d7e343f0da9d4fa2bc822c12ad2f54300ff16796a1edaa6d31f1313c8e94d5b2 HTTP/1.1
> Host: localhost:9000
> User-Agent: curl/7.81.0

	// Short reports whether the -test.short flag is set. 
	func Short() bool

	// after runs after all testing. 
	func after()

	// alarm is called if the timeout expires. 
	func alarm()

	// before runs before all testing. 
	func before()

	// decorate inserts the final newline if needed and indentation ...
	func decorate(s string, addFileLine bool) string

	// 

// There are extra fields after the channel, reserved for the runtime
// and inaccessible to users.

// The Timer type represents a single event.
// When the Timer expires, the current time will be sent on C,
// unless the Timer was created by [AfterFunc].
// A Timer must be created with [NewTimer] or AfterFunc.
type Timer struct {
	C         <-chan Time
	initTimer bool
}