ReadonlyactivateOptional ReadonlyactivatesOptional ReadonlyidOptional ReadonlyloadOptional ReadonlyprovidesOptional ReadonlyrequiresOptional ReadonlysourceWhat the module was authored from, when activate wraps it; defaults to activate.
Erased module authoring record stored on the builder. Type enforcement happens at the addModule overloads; the builder itself is intentionally heterogeneous.