Component class identity (plan D2). Components are classes carrying a
static readonly typeName; the registry is keyed by that name.
The never constructor parameters make the type accept any component class
without inviting the registry to construct one — the registry only ever
reads typeName.
Component class identity (plan D2). Components are classes carrying a
static readonly typeName; the registry is keyed by that name.The
neverconstructor parameters make the type accept any component class without inviting the registry to construct one — the registry only ever readstypeName.