using FindKeysAck = std::function<void(const std::error_code& error, const Keys& keys)>;
/**
- * Find all keys matching search pattern under the namespace. No prior knowledge about the keys in the given
+ * Find all keys matching search key prefix under the namespace. No prior knowledge about the keys in the given
* namespace exists, thus operation is not guaranteed to be atomic or isolated.
*
* @param ns Namespace under which this operation is targeted.