This is useful when you want to have optional authentication.

                It is also useful when you want to have authentication that can be
                provided in one of multiple optional ways (for example, in HTTP Basic
                authentication or in an HTTP Bearer token).
                """
            ),
        ] = True,
    ):

    }

    protected static <T> boolean eq(T s1, T s2) {
        return Objects.equals(s1, s2);
    }

    public Authentication getAuthentication() {
        return authentication;
    }

    public void setAuthentication(Authentication authentication) {
        this.authentication = authentication;
    }

    public Proxy getProxy() {
        return proxy;
    }

    public void setProxy(Proxy proxy) {

connect(repository.Repository) throws ConnectionException, authentication.AuthenticationExcept; public abstract void connect(repository.Repository, proxy.ProxyInfo) throws ConnectionException, authentication.AuthenticationExcept; public abstract void connect(repository.Repository, authentication.AuthenticationInfo) throws ConnectionException, authentication.AuthenticationExcept; public abstract void connect(repository.Repository, authentication.AuthenticationInfo, proxy.ProxyInfo) throws ConnectionException,...

connect(repository.Repository) throws ConnectionException, authentication.AuthenticationExcept; public abstract void connect(repository.Repository, proxy.ProxyInfo) throws ConnectionException, authentication.AuthenticationExcept; public abstract void connect(repository.Repository, authentication.AuthenticationInfo) throws ConnectionException, authentication.AuthenticationExcept; public abstract void connect(repository.Repository, authentication.AuthenticationInfo, proxy.ProxyInfo) throws ConnectionException,...

sasl_username    (string)    username for SASL/PLAIN or SASL/SCRAM authentication
sasl_password    (string)    password for SASL/PLAIN or SASL/SCRAM authentication
sasl_mechanism   (string)    sasl authentication mechanism, default 'plain'
tls_client_auth  (string)    clientAuth determines the Kafka server's policy for TLS client auth
sasl             (on|off)    set to 'on' to enable SASL authentication
tls              (on|off)    set to 'on' to enable TLS

                        }
                    }

                    Authentication authentication = new Authentication(server.getUsername(), server.getPassword());
                    authentication.setPrivateKey(server.getPrivateKey());
                    authentication.setPassphrase(server.getPassphrase());

                    repository.setAuthentication(authentication);
                } else {

    }


    /**
     * Returns the authentication target.
     *
     * @return A <code>String</code> containing the authentication target.
     */
    public String getTarget () {
        return this.target;
    }


    /**
     * Sets the authentication target.
     *
     * @param target
     *            The authentication target.
     */

    }

    /**
     * Returns the authentication target.
     *
     * @return A <code>String</code> containing the authentication target.
     */
    public String getTarget() {
        return target;
    }

    /**
     * Sets the authentication target.
     *
     * @param target The authentication target.
     */
    public void setTarget(String target) {

                be `None`.

                This is useful when you want to have optional authentication.

                It is also useful when you want to have authentication that can be
                provided in one of multiple optional ways (for example, with OAuth2
                or in a cookie).
                """
            ),
        ] = True,
    ):
        self.model = OAuth2Model(

        return ntHash;
    }

    /**
     * Authentication strategy
     * 
     * 
     */
    public enum AuthenticationType {
        /**
         * Null/anonymous authentication
         * 
         * Login with no credentials
         */
        NULL,
        /**
         * Guest authentication
         *