Class java.util.concurrent.`CompletableFuture`

Added Methods
`CompletableFuture<T>` `exceptionallyAsync`(`Function<Throwable,` `?, extends, T>`)
`CompletableFuture<T>` `exceptionallyAsync`(`Function<Throwable,` `?, extends, T>, Executor`)
`CompletableFuture<T>` `exceptionallyCompose`(`Function<Throwable,` `CompletionStage<T>>`)
`CompletableFuture<T>` `exceptionallyComposeAsync`(`Function<Throwable,` `CompletionStage<T>>`)
`CompletableFuture<T>` `exceptionallyComposeAsync`(`Function<Throwable,` `CompletionStage<T>>, Executor`)

Class java.util.concurrent.CompletableFuture