AsyncContinuation.java

import com.google.api.core.ApiFunction;
import com.google.api.core.ApiFuture;
import com.google.api.core.ApiFutures;

@Deprecated
public Task<List<String>> continueWithTask(Task<String> task) {
  return task.continueWith(new Continuation<String, List<String>>() {
    @Override
    public List<String> then(Task<String> task) throws Exception {
      String result = task.getResult();
      return Arrays.asList(result.split(","));
    }
  });
}

public ApiFuture<List<String>> continueWithFuture(ApiFuture<String> future) {
  return ApiFutures.transform(future, new ApiFunction<String, List<String>>() {
    @Override
    public List<String> apply(String result) {
      return Arrays.asList(result.split(","));
    }
  });
}