@type kind() :: :pressure | :reconnect | :subprocess

@type t() :: %{
  :fact_id => String.t(),
  :kind => kind(),
  optional(:provider) => atom() | nil,
  optional(:provider_session_id) => String.t() | nil,
  optional(:lane_session_id) => String.t() | nil,
  optional(:subprocess_id) => String.t() | nil,
  optional(:reason) => atom() | String.t() | nil,
  optional(:observed_at) => String.t() | nil,
  optional(:metadata) => map()
}