destination() :: %{to: [email_address], bcc: [email_address], bcc: [email_address]}

email_address() :: binary

list_configuration_sets_opt ::
  {:max_items, pos_integer} |
  {:next_token, String.t}

message() :: %{body: %{html: %{data: binary, charset: binary}, text: %{data: binary, charset: binary}}, subject: %{data: binary, charset: binary}}

send_email_opt ::
  {:configuration_set_name, String.t} |
  {:reply_to, [email_address]} |
  {:return_path, String.t} |
  {:return_path_arn, String.t} |
  {:source, String.t} |
  {:source_arn, String.t} |
  {:tags, %{optional(String.t | atom) => String.t}}

send_raw_email_opt ::
  {:configuration_set_name, String.t} |
  {:from_arn, String.t} |
  {:return_path_arn, String.t} |
  {:source, String.t} |
  {:source_arn, String.t} |
  {:tags, %{optional(String.t | atom) => String.t}}