/// <summary>
/// Returns metadata of specified keyspace.
/// </summary>
/// <param name="keyspace"> the name of the keyspace for which metadata should be
/// returned. </param>
///
/// <returns>the metadat of the requested keyspace or <code>null</code> if
/// <code>* keyspace</code> is not a known keyspace.</returns>
public KeyspaceMetadata GetKeyspace(string keyspace)
{
return(_controlConnection.GetKeyspace(keyspace));
}