check_my_artist_following_state(
  token :: String.t(),
  params :: map() | Keyword.t()
) :: {:ok, [boolean()]}

check_my_user_following_state(
  token :: String.t(),
  params :: map() | Keyword.t()
) :: {:ok, [boolean()]}

check_playlist_following_state(
  token :: String.t(),
  params :: map() | Keyword.t()
) :: {:ok, [boolean()]}

follow_artists(token :: String.t(), params :: map() | Keyword.t()) :: :ok

follow_playlist(token :: String.t(), params :: map() | Keyword.t()) :: :ok

follow_users(token :: String.t(), params :: map() | Keyword.t()) :: :ok

get_my_following_artists(token :: String.t(), params :: map() | Keyword.t()) ::
  {:ok, Sptfy.Object.Paging.t()}

unfollow_artists(token :: String.t(), params :: map() | Keyword.t()) :: :ok

unfollow_playlist(token :: String.t(), params :: map() | Keyword.t()) :: :ok

unfollow_users(token :: String.t(), params :: map() | Keyword.t()) :: :ok