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Chronicle-Map

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/*
 *     Copyright (C) 2015  higherfrequencytrading.com
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License.
 *
 *     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 Lesser General Public License for more details.
 *
 *     You should have received a copy of the GNU Lesser General Public License
 *     along with this program.  If not, see .
 */

package net.openhft.chronicle.map;

import net.openhft.lang.io.Bytes;
import net.openhft.lang.threadlocal.ThreadLocalCopies;
import org.jetbrains.annotations.NotNull;

/**
 * @param  result type, map value type or Bytes
 */
interface ReadValue {
    /**
     * Updates the entry position by valueSize.
     */
    RV readValue(@NotNull ThreadLocalCopies copies, Bytes entry, RV usingValue, long valueSize);
    RV readNull();
}