export declare class Identifier {
    private authenticatedClient;
    constructor();
    getIdentity(): Promise<{
        userId: string;
        deviceId: string;
        identify: () => void;
    }>;
    private hash;
    private getAnalyticsInfo;
    private getApiKeyInfo;
    private isEmailInternal;
    private getUserInfo;
    private getAmplitudeBaseEventProperties;
    private getDeviceInfo;
    private getShellInfo;
    private get configuration();
}