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import org.codelibs.core.exception.EmptyArgumentException;
import org.codelibs.core.exception.NullArgumentException;
import org.codelibs.core.lang.StringUtil;

/**
 * 表明についてのユーティリティクラスです。
 *
 * @author shot
 */
public abstract class AssertionUtil {

    /**
     * 引数が<code>null</code>でないことを表明します。
     *
     * @param argName
     *            {@code null} であってはならない引数の名前
     * @param argValue

import okhttp3.internal.connection.Exchange
import okhttp3.internal.http.parseChallenges
import okio.Buffer

/**
 * An HTTP response. Instances of this class are not immutable: the response body is a one-shot
 * value that may be consumed only once and then closed. All other properties are immutable.
 *
 * This class implements [Closeable]. Closing it simply closes its response body. See