ExistingProvider
interface
Configures the Injector to return a value of another useExisting token.
API
Usage Notes
interface ExistingProvider extends ExistingSansProvider {}
provide
anyAn injection token. Typically an instance of Type or InjectionToken, but can be any.
multi
boolean | undefinedWhen true, injector returns an array of instances. This is useful to allow multiple providers spread across many files to provide configuration information to a common token.
useExisting
anyExisting token to return. (Equivalent to injector.get(useExisting))
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