default CompletableFuture<Map<K, V>> getAllAsync(Collection<K> keys, Object ... args) {
    throw new SamzaException("Not supported");
  }
Asynchronously fetch the table {@code records} for specified {@code keys} and additional arguments.
This method must be thread-safe.
@param keys keys for the table records
@param args additional arguments
@return CompletableFuture for the get request
samza-api/src/main/java/org/apache/samza/table/remote/TableReadFunction.java