@angular/core

ClassProvider

interface

Configures the Injector to return an instance of useClass for a token.

  
    interface ClassProvider extends ClassSansProvider {}

Note that following two providers are not equal:

Multi-value example

provide

any

An injection token. (Typically an instance of Type or InjectionToken, but can be any).

multi

boolean | undefined

When 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.

useClass

Type<any>

Class to instantiate for the token.