Where to get the Java source code for Connector/J 8.0 Core API module?

Java source code files for Connector/J 8.0 Core API module are:

⏎ com/mysql/cj/protocol/AuthenticationProvider.java

/*
 * Copyright (c) 2015, 2021, Oracle and/or its affiliates.
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, version 2.0, as published by the
 * Free Software Foundation.
 *
 * This program is also distributed with certain software (including but not
 * limited to OpenSSL) that is licensed under separate terms, as designated in a
 * particular file or component or in included license documentation. The
 * authors of MySQL hereby grant you an additional permission to link the
 * program and your derivative works with the separately licensed software that
 * they have included with MySQL.
 *
 * Without limiting anything contained in the foregoing, this file, which is
 * part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
 * version 1.0, a copy of which can be found at
 * http://oss.oracle.com/licenses/universal-foss-exception.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
 * for more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
 */

package com.mysql.cj.protocol;

import com.mysql.cj.conf.PropertySet;
import com.mysql.cj.exceptions.ExceptionInterceptor;

public interface AuthenticationProvider<M extends Message> {

    void init(Protocol<M> prot, PropertySet propertySet, ExceptionInterceptor exceptionInterceptor);

    void connect(String username, String password, String database);

    /**
     * Re-authenticates as the given user and password
     * 
     * @param username
     *            user name
     * @param password
     *            password
     * @param database
     *            db name
     */
    void changeUser(String username, String password, String database);
}

⏎ com/mysql/cj/protocol/AuthenticationProvider.java

Or download all of them as a single archive file:

File name: mysql-connector-java-core-api-8.0.31.zip
File size: 309381 bytes
Release date: 2022-09-03
Download 

⇒ Source Code for Connector/J 8.0.31 - Core Impl

⇐ What Is mysql-connector-j-8.0.31.jar?

⇑ Downloading Connector/J - JDBC Driver for MySQL

⇑⇑ FAQ for Connector/J - JDBC Driver for MySQL