/// HTTP verb enum used internally by [ApiClient._call] to dispatch to the
/// correct [Dio] method.
///
/// The public [ApiClient] API exposes **named methods** (`get`, `post`, …)
/// rather than accepting an [HttpMethod] directly.  The enum is kept as a
/// clearly-typed pivot inside [ApiClient._call] so all request logic lives in
/// one place with zero duplication.
enum HttpMethod {
  get,
  post,
  put,
  patch,
  delete,
}