import { SocialAuthStrategy } from './strategy/social-auth-strategy';
import { NgxSocialAuthProviderType } from './social-auth-provider-type.enum';
import { NgxSocialAuthResponse } from './auth-response/social-auth-response';
import { Observable } from 'rxjs';
import { SignInOptionsMap } from './strategy/options-map/sign-in-options-map';
import { StateOptionsMap } from './strategy/options-map/state-options-map';
import { SignOutOptionsMap } from './strategy/options-map/sign-out-options-map';
/**
 * Allows to authenticate the user by using all configured providers in {@link NgxSocialAuthModule.forRoot}
 *
 * @author Dmytro Parfenov <dmitryparfenov937@gmail.com>
 */
export declare class NgxSocialAuthService {
    private readonly socialAuthStrategies;
    constructor(socialAuthStrategies: SocialAuthStrategy[]);
    /**
     * Signs in the user
     *
     * @param providerType provider type to call with
     * @param options specific provider options
     * @returns specific provider auth response based on [providerType]
     */
    signIn<K extends NgxSocialAuthProviderType>(providerType: K, options?: SignInOptionsMap[K]): Observable<NgxSocialAuthResponse<K>>;
    /**
     * Signs out the current account from the application
     *
     * @param providerType provider type to call with
     * @param options specific provider options
     */
    signOut<K extends NgxSocialAuthProviderType>(providerType: K, options?: SignOutOptionsMap[K]): Observable<void>;
    /**
     * Get current auth state
     *
     * @param providerType provider type to call with
     * @param options specific provider options
     * @returns specific provider auth response based on [providerType] if the user is authenticated, otherwise 'null'
     */
    getState<K extends NgxSocialAuthProviderType>(providerType: K, options?: StateOptionsMap[K]): Observable<NgxSocialAuthResponse<K>>;
    private findStrategy;
    private throwUndefinedProviderError;
}