create!(any()) :: :ok

create_repo(atom(), any()) :: :ok | {:error, any()}

load_app() :: :ok | {:error, any()}

migrate!(any()) :: :ok

migrate_repo(atom(), any()) :: :ok | {:error, any()}

recreate_repo(atom(), any()) :: :ok | {:error, any()}

repos(any()) :: [atom()]

rollback(atom(), any()) :: {:ok, any(), any()} | {:error, any()}

run_migrations?() :: boolean()