Defines an API for APNS configuration.
auth_key() :: binary
auth_key_path() :: String.t
cert() :: binary
cert_path() :: String.t
key() :: binary
key_id() :: String.t
key_path() :: String.t
mode() :: atom
team_id() :: String.t
workers_pool_config() :: Keyword.t
workers_push_async() :: boolean