@required_description_keys [:key, :related_policy]
- @callback filter(Map.t()) :: {:ok | :reject, Map.t()}
- @callback describe() :: {:ok | :error, Map.t()}
- @callback config_description() :: %{
- optional(:children) => [map()],
- key: atom(),
- related_policy: String.t(),
- label: String.t(),
- description: String.t()
- }
- @optional_callbacks config_description: 0
-
def filter(policies, %{} = message) do
policies
|> Enum.reduce({:ok, message}, fn