*
 * <ul>
 * <li><code>CallNamedPipe</code> A message-type pipe call that opens,
 * writes to, reads from, and closes the pipe in a single operation.
 * <li><code>TransactNamedPipe</code> A message-type pipe call that
 * writes to and reads from an existing pipe descriptor in one operation.
 * <li><code>CreateFile</code>, <code>ReadFile</code>,
 * <code>WriteFile</code>, and <code>CloseFile</code> A byte-type pipe can

 *
 * @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
     *            引数の値
     * @throws NullArgumentException
     *             引数が<code>null</code>の場合。
     */
    public static void assertArgumentNotNull(final String argName, final Object argValue) {

    awaitingPong = false
  }

  override fun onReadClose(
    code: Int,
    reason: String,
  ) {
    require(code != -1)

    synchronized(this) {
      check(receivedCloseCode == -1) { "already closed" }
      receivedCloseCode = code
      receivedCloseReason = reason
    }

    listener.onClosing(this, code, reason)
  }

  }

  /**
   * {@inheritDoc}
   *
   * <p>This implementation of {@code getAllPresent} lacks any insight into the internal cache data
   * structure, and is thus forced to return the query keys instead of the cached keys. This is only
   * possible with an unsafe cast which requires {@code keys} to actually be of type {@code K}.
   *
   * @since 11.0
   */
  /*

import java.util.EnumMap;
import java.util.Map;

/**
 * A {@code BiMap} backed by two {@code EnumMap} instances. Null keys and values are not permitted.
 * An {@code EnumBiMap} and its inverse are both serializable.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/NewCollectionTypesExplained#bimap">{@code BiMap}</a>.
 *
 * @author Mike Bostock
 * @since 2.0
 */

	return blobBody
}

// WriteHeader - writes http status code
func (lrw *ResponseRecorder) WriteHeader(code int) {
	if !lrw.headersLogged {
		lrw.ttfbHeader = time.Now().UTC().Sub(lrw.StartTime)
		lrw.StatusCode = code
		lrw.writeHeaders(&lrw.headers, code, lrw.ResponseWriter.Header())
		lrw.headersLogged = true
		lrw.ResponseWriter.WriteHeader(code)
	}
}

// Flush - Calls the underlying Flush.

import java.util.EnumMap;
import java.util.Map;

/**
 * A {@code BiMap} backed by two {@code EnumMap} instances. Null keys and values are not permitted.
 * An {@code EnumBiMap} and its inverse are both serializable.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/NewCollectionTypesExplained#bimap">{@code BiMap}</a>.
 *
 * @author Mike Bostock
 * @since 2.0
 */

/**
 * Language.
 * <p>
 * This extensible enum has two defined values, {@link #NONE} and {@link #JAVA_FAMILY},
 * but can be extended by registering a {@code org.apache.maven.api.spi.LanguageProvider}.
 * <p>
 * Implementation must have {@code equals()} and {@code hashCode()} implemented, so implementations of this interface
 * can be used as keys.
 *
 * @since 4.0.0
 */
@Experimental
@Immutable

     * @param settings The settings to validate, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    void validate(Settings settings, SettingsProblemCollector problems);

    /**
     * Validate the specified settings.
     *
     * @param settings The settings to validate, must not be {@code null}.

    public ClasspathContainer transform(MetadataGraph dirtyGraph, ArtifactScopeEnum scope, boolean resolve)
            throws MetadataGraphTransformationException {
        try {
            if (dirtyGraph == null || dirtyGraph.isEmpty()) {
                return null;
            }

            MetadataGraph cleanGraph = conflictResolver.resolveConflicts(dirtyGraph, scope);

            if (cleanGraph == null || cleanGraph.isEmpty()) {