/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.qpid.proton4j.engine.sasl.client;

import java.security.Principal;

/**
 * Interface for a supplier of login credentials used by the SASL Authenticator to
 * select and configure the client SASL mechanism.
 */
public interface SaslCredentialsProvider {

    String vhost();

    String username();

    String password();

    Principal localPrincipal();

}

@@ -881,16 +881,68 @@
 incipal;
+%0Aimport java.util.Collections;%0Aimport java.util.Map;
 %0A%0A/**%0A *
@@ -1223,10 +1223,133 @@
 pal();%0A%0A
+    @SuppressWarnings(%22unchecked%22)%0A    default Map%3CString, Object%3E options() %7B%0A        return Collections.EMPTY_MAP;%0A    %7D%0A
 %7D%0A

Allow the SASL credentials provider to provide extra configuration