Start iterating over key/value pairs on an object.
They will be returned sorted by key.
@param read_op operation to add this action to
@param start_after list keys starting after start_after
@param filter_prefix list only keys beginning with filter_prefix
@param max_return list no more than max_return key/value pairs
@param iter where to store the iterator
@param prval where to store the return value from this action
Start iterating over key/value pairs on an object.
They will be returned sorted by key.
@param read_op operation to add this action to @param start_after list keys starting after start_after @param filter_prefix list only keys beginning with filter_prefix @param max_return list no more than max_return key/value pairs @param iter where to store the iterator @param prval where to store the return value from this action