Optional multiWhen 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.
An injection token. Typically an instance of Type or InjectionToken, but can be any.
Existing token to return. (Equivalent to injector.get(useExisting))
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Configures the
Injectorto return a value of anotheruseExistingtoken.See
"Dependency Injection Guide".
Usage Notes
{@example core/di/ts/provider_spec.ts region='ExistingProvider'}
Multi-value example
{@example core/di/ts/provider_spec.ts region='MultiProviderAspect'}
Public Api