@callback aliases() :: [atom()]

@callback attributes() :: [PhoenixStorybook.Stories.Attr.t()]

@callback container() :: atom() | {atom(), [{atom(), String.t()}]}

@callback extra_sources() :: [String.t()]

@callback function() :: function()

@callback imports() :: [{atom(), [{atom(), integer()}]}]

@callback layout() :: atom()

@callback render_source() :: atom()

@callback slots() :: [PhoenixStorybook.Stories.Slot.t()]

@callback template() :: String.t()

@callback unstripped_doc() :: String.t() | [String.t()] | nil

@callback variations() :: [
  PhoenixStorybook.Stories.Variation.t()
  | PhoenixStorybook.Stories.VariationGroup.t()
]