registerRelaxerFactory method
Registers a relaxer (generic-type-wrapper) factory for baseTypeName.
A relaxer converts an interpreted/bridged value into a native instance
of a parameterized (or plain) bridged type when an argument of that type
is required. baseTypeName is the base type name without type
arguments (e.g. 'ValueListenable', 'MyBox'). Delegates to
D4.registerGenericTypeWrapper; registration is idempotent on factory
identity and chains new-first.
Intended for use inside a registerExtensions body.
Implementation
void registerRelaxerFactory(
String baseTypeName,
GenericTypeWrapperFactory factory,
) => D4.registerGenericTypeWrapper(baseTypeName, factory);