t() :: %OpsGenieRESTAPI.Model.BaseWebhookCallback{
  addAlertDescription: boolean(),
  addAlertDetails: boolean(),
  alertFilter: AlertFilter,
  "base-webhook-callback-type": String.t(),
  "callback-type": String.t(),
  forwardingActionMappings: [ActionMapping],
  forwardingEnabled: boolean(),
  headers: %{optional(String.t()) => String.t()},
  url: String.t()
}