[F] getVersioningMutators

function getVersioningMutators(program, namespace):
  | undefined
  | VersionedMutators
  | TransientVersioningMutator;

Resolve the set of mutators needed to apply versioning to the service.

Parameters

Parameter	Type
program	Program
namespace	Namespace

Returns

| undefined | VersionedMutators | TransientVersioningMutator

either:

• VersionedMutators when the service is versioned.
• TransientVersioningMutator when the service is not versioned but use specific version from another library.
• undefined when the service is not versioned.