1 /*
 2  * Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.  Oracle designates this
 8  * particular file as subject to the "Classpath" exception as provided
 9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
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19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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24  */
25 
26 package oracle.code.json;
27 
28 /**
29  * The interface that represents JSON null.
30  * <p>
31  * A {@code JsonNull} can be produced by {@link Json#parse(String)}.
32  * <p> Alternatively, {@link #of()} can be used to obtain a {@code JsonNull}.
33  *
34  */
35 public sealed interface JsonNull extends JsonValue permits JsonNullImpl {
36 
37     /**
38      * {@return the {@code JsonNull} that represents a "null" JSON value}
39      */
40     static JsonNull of() {
41         return JsonNullImpl.NULL;
42     }
43 }