//! Module: infra::ic::nns
//!
//! Responsibility: group raw NNS canister infra adapters.
//! Does not own: topology policy, registry storage, or endpoint response mapping.
//! Boundary: ops topology calls this for raw NNS lookups.
use crate;
use Error as ThisError;
///
/// NnsInfraError
///
/// NNS infra failure wrapper converted into IC infra errors.
/// Owned by NNS infra and returned by raw NNS adapters.
///