// Package ports defines the storage-agnostic and transport-agnostic service
// boundaries used by the auth/session application layer.
package ports

import "errors"

var (
	// ErrNotFound reports that a requested source-of-truth record or remote
	// subject does not exist in the dependency behind the port.
	ErrNotFound = errors.New("ports: record not found")

	// ErrConflict reports that a create or compare-and-swap style mutation
	// cannot be applied because the current dependency state no longer matches
	// the caller expectation.
	ErrConflict = errors.New("ports: conflict")
)