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A Java implementation of the Amazon Ion data notation.

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/*
 * Copyright 2007-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * or in the "license" file accompanying this file. This file 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.amazon.ion;

/**
 * The Ion null value, also known as null.null.
 * 
 * WARNING: This interface should not be implemented or extended by
 * code outside of this library.
 * 
 * Because this value is always null, there's no interesting functionality
 * beyond what's defined by {@link IonValue}.
 */
public interface IonNull
    extends IonValue
{
    public IonNull clone()
        throws UnknownSymbolException;
}