import 'firebase/auth';
import { AuthCredential } from '@firebase/auth-types';
import { AuthProvider, ICredentialFactoryProvider, FirebaseService, AuthSharedConfig } from 'ionic-firebase-auth';
import { AuthCapacitorConfig } from '../interfaces';
export declare class AuthCredentialFactoryCapacitorService implements ICredentialFactoryProvider {
    private fire;
    sharedConfig: AuthSharedConfig;
    capConfg: AuthCapacitorConfig;
    constructor(fire: FirebaseService, sharedConfig: AuthSharedConfig, capConfg: AuthCapacitorConfig);
    private deviceSupportsNativeApple;
    isProviderSupported(provider: AuthProvider): Promise<boolean | undefined>;
    getCredential(provider: AuthProvider): Promise<AuthCredential | null>;
    signOut(): Promise<void>;
}