securepay/dist/services/authentication.service.d.ts

https://www.securepay.com.au/

export declare class AuthenticationService {
    constructor();
    /**
     * Request Token
     *
     * @param payload
     */
    auth(payload: {
        clientId: string;
        clientSecret: string;
        sendBox: boolean;
        debugLevel?: number;
    }): Promise<void>;
}