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/*
 * Copyright DataStax, Inc.
 *
 * Licensed 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 com.datastax.driver.core;

import java.util.Map;

/**
 * Parent class for {@link Authenticator} implementations that support native protocol v1
 * authentication.
 *
 * Protocol v1 uses simple, credentials-based authentication (as opposed to SASL for later
 * protocol versions). In order to support protocol v1, an authenticator must extend this class.
 *
 * We use an abstract class instead of an interface because we don't want to expose {@link
 * #getCredentials()}.
 *
 * @see Native
 *     protocol v1 specification
 */
abstract class ProtocolV1Authenticator {
  abstract Map getCredentials();
}