# Constants
DependencyDiffer identifies a differ failure.
DependencyMarker identifies a marker failure.
DependencyQueuer identifies a queuer failure.
DependencyStorage identifies a storage failure.
# Structs
Conflict is logged when the request conflicts with an existing resource.
DependencyFailure is logged when a downstream dependency fails.
InvalidInput is logged when the input provided is not valid.
NotFound is logged when the requested resource is not found.