   end
 
   @spec execute(conn, statement | Prepared.t, values) :: {:ok, result} | {:error, error}
-  @spec execute(conn, Batch.t, Keyword.t) :: {:ok, Void.t} | {:error, error}
+  @spec execute(conn, Batch.t, Keyword.t) :: {:ok, Xandra.Void.t} | {:error, error}
   def execute(conn, query, params_or_options \\ [])
 
   def execute(conn, statement, params) when is_binary(statement) do

  @type statement :: String.t
  @type values :: list | map
  @type error :: Error.t | Connection.Error.t
  @type result :: Void.t | Rows.t | SetKeyspace.t | SchemaChange.t
  @type conn :: DBConnection.conn

  @default_options [

    end
  end

  @spec execute!(conn, statement | Prepared.t, values) :: result | no_return
  @spec execute!(conn, Batch.t, Keyword.t) :: Xandra.Void.t | no_return
  def execute!(conn, query, params_or_options \\ []) do
    case execute(conn, query, params_or_options) do
      {:ok, result} -> result
