public static void suspend(Procedure<?> proc) throws ProcedureSuspendedException {
    proc.skipPersistence();
    throw new ProcedureSuspendedException();
  }
A helper class for switching procedure out(yielding) while it is doing some time consuming
operation, such as updating meta, where we can get a {@link CompletableFuture} about the
operation.
hbase-server/src/main/java/org/apache/hadoop/hbase/procedure2/ProcedureFutureUtil.java