flatten
Creates and returns a new Provider that lazily maps to the provider that is the value of this.
This function is equivalent to provider.flatMap { it }.
The returned provider will only be stored in a WeakReference in the parent providers (this and the value of this).
Creates and returns a new Provider that lazily maps to the provider that is the value of this.
This function is equivalent to provider.flatMapMutable { it }.
The returned provider will only be stored in a WeakReference in the parent providers (this and the value of this).