 
   ### Application configuration
 
-  The following configuration must be set via config files (e.g.,
+  The following configuration must be set via config files (such as
   `config/config.exs`) before the `:logger` application is started.
 
     * `:backends` - the backends to be used. Defaults to `[:console]`.

  @doc """
  Flushes the logger.

  This basically guarantees all messages sent to
  `Logger` prior to this call will be processed. This is useful
  for testing and it should not be called in production code.
  """
  @spec flush :: :ok
  def flush do

  end

  @doc """
  Retrieves the `Logger` level.

  The `Logger` level can be changed via `configure/1`.
  """
  @spec level() :: level
  def level() do
