class java/util/concurrent/CompletableFuture
supplyAsync
 <U:Ljava/lang/Object;>(Ljava/util/function/Supplier<TU;>;)Ljava/util/concurrent/CompletableFuture<TU;>;
 <U:Ljava/lang/Object;>(Ljava/util/function/Supplier<TU;>;)L1java/util/concurrent/CompletableFuture<TU;>;
supplyAsync
 <U:Ljava/lang/Object;>(Ljava/util/function/Supplier<TU;>;Ljava/util/concurrent/Executor;)Ljava/util/concurrent/CompletableFuture<TU;>;
 <U:Ljava/lang/Object;>(Ljava/util/function/Supplier<TU;>;Ljava/util/concurrent/Executor;)L1java/util/concurrent/CompletableFuture<TU;>;
