** Use in services to inject classes that have not been defined as a service. ** Instances are created via [Registry.autobuild()]`Registry#autobuild`.** ** @since 2.0.0facet class Autobuild {** If 'true' a proxy is created.const Bool createProxy** The implementation type to create.const Type? implType** Arguments to pass to the implementation ctor.const Obj?[]? ctorArgs** Sets to set via an it-block ctor argument.const[Field:Obj?]? fieldVals}