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Core building blocks and API for the Metal library.

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/*
 * Copyright 2013-2024 Netherlands Forensic Institute
 * Copyright 2021-2024 Infix Technologies B.V.
 *
 * 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 io.parsingdata.metal.data;

import io.parsingdata.metal.token.Token;

public interface ParseItem {

    default boolean isValue() { return false; }

    default boolean isGraph() { return false; }

    default boolean isReference() { return false; }

    default ParseValue asValue() { throw new UnsupportedOperationException("Cannot convert to ParseValue."); }

    default ParseReference asReference() { throw new UnsupportedOperationException("Cannot convert to ParseReference."); }

    default ParseGraph asGraph() { throw new UnsupportedOperationException("Cannot convert to ParseGraph."); }

    Token getDefinition();

}