@spec get_email_timeline(
  domain :: t(),
  project_id :: String.t(),
  email_id :: String.t(),
  options :: keyword()
) ::
  {:ok, ApolloSignal.Types.EmailTimelineResponse.t(),
   ApolloSignal.Transport.metadata()}
  | {:error, ApolloSignal.Errors.t()}

@spec get_project(domain :: t(), project_id :: String.t(), options :: keyword()) ::
  {:ok, ApolloSignal.Types.ProjectResponse.t(),
   ApolloSignal.Transport.metadata()}
  | {:error, ApolloSignal.Errors.t()}

@spec get_project_email(
  domain :: t(),
  project_id :: String.t(),
  email_id :: String.t(),
  options :: keyword()
) ::
  {:ok, ApolloSignal.Types.EmailDetailResponse.t(),
   ApolloSignal.Transport.metadata()}
  | {:error, ApolloSignal.Errors.t()}

@spec list_emails(domain :: t(), project_id :: String.t(), options :: keyword()) ::
  {:ok, ApolloSignal.Types.EmailPageResponse.t(),
   ApolloSignal.Transport.metadata()}
  | {:error, ApolloSignal.Errors.t()}

@spec list_projects(domain :: t(), options :: keyword()) ::
  {:ok, ApolloSignal.Types.ProjectPageResponse.t(),
   ApolloSignal.Transport.metadata()}
  | {:error, ApolloSignal.Errors.t()}

@spec new(ApolloSignal.Client.t()) :: t()

@spec update_project(
  domain :: t(),
  project_id :: String.t(),
  body :: ApolloSignal.Types.UpdateProjectRequest.t(),
  options :: keyword()
) ::
  {:ok, ApolloSignal.Types.ProjectResponse.t(),
   ApolloSignal.Transport.metadata()}
  | {:error, ApolloSignal.Errors.t()}