import { Type } from '../common/cli-types';
import { ProviderRef } from './provider-refs/provider-ref';
import { ProviderToken } from './providers';
/**
 * A super class that is applied to all application components that can inject dependencies within their constructors
 */
export declare class Injector<T = any> {
    static providerName(key: ProviderToken): string;
    /**
     * Reference to the parent injector so that the providers can be resolved up the hierarchical tree
     */
    parent?: Injector<any>;
    /**
     * Constructor of the class which dependencies are injected into
     */
    constructorRef: Type<T>;
    /**
     * List of providers within the global dependency injection scope
     */
    globalProviders: ProviderRef[];
    /**
     * List of providers within the local dependency injection scope
     */
    providers: ProviderRef[];
    /**
     * Creates a new instance of the injector
     * @param cons constructor of the class which dependencies are injected into
     * @param globalProviders List of providers within the global dependency injection scope
     * @param parent Reference to the parent injector so that the providers can be resolved up the hierarchical tree
     */
    constructor(cons: Type<T>, globalProviders: ProviderRef[], parent?: Injector<any>);
    /**
     * Creates a new instance of the injectors contructor, injecting dependencies where neccessary
     * @param callstack Previously resolved dependencies to determine circular references
     */
    resolve(callstack?: ProviderToken[]): Promise<T>;
    /**
     * Throws an appropriate error when a dependency cannot be resolved for a constructor argument
     * @param token inject token of the provider dependency
     */
    private throwMissingProviderError;
    /**
     * Resolves a provider within the injector's scope, first checking local providers, then looking for providers within parent injectors and finally looking
     * injectors within the global scope
     * @param token inject token of the provider dependency
     */
    private findProvider;
}