*/

package com.google.common.collect.testing;

import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.collect.testing.Helpers.assertEqualIgnoringOrder;
import static com.google.common.collect.testing.Helpers.assertEqualInOrder;
import static com.google.common.collect.testing.Platform.format;
import static java.util.Arrays.asList;
import static java.util.Collections.unmodifiableSet;

  private static final long SPIN_THRESHOLD_NANOS = 1000L;

  private static final AtomicHelper ATOMIC_HELPER;

  static {
    AtomicHelper helper;
    Throwable thrownUnsafeFailure = null;
    Throwable thrownAtomicReferenceFieldUpdaterFailure = null;

    try {
      helper = new UnsafeAtomicHelper();
    } catch (Exception | Error unsafeFailure) { // sneaky checked exception

  /** The HTTP {@code Accept-Language} header field name. */
  public static final String ACCEPT_LANGUAGE = "Accept-Language";
  /** The HTTP {@code Access-Control-Request-Headers} header field name. */
  public static final String ACCESS_CONTROL_REQUEST_HEADERS = "Access-Control-Request-Headers";
  /** The HTTP {@code Access-Control-Request-Method} header field name. */
  public static final String ACCESS_CONTROL_REQUEST_METHOD = "Access-Control-Request-Method";

                        }
                    }
                }

                // org.eclipse.aether.ConfigurationProperties.HTTP_HEADERS => Map<String, String>
                if (headers != null) {
                    configProps.put(ConfigurationProperties.HTTP_HEADERS + "." + server.getId(), headers);
                }
                // org.eclipse.aether.ConfigurationProperties.CONNECT_TIMEOUT => int

        },
        (Multiset<E> multiset) -> copyOfSortedEntries(comparator, multiset.entrySet()));
  }

  @SuppressWarnings({"AndroidJdkLibsChecker", "Java7ApiChecker"})
  @IgnoreJRERequirement // helper for toImmutableSortedMultiset
  /*
   * If we make these calls inline inside toImmutableSortedMultiset, we get an Animal Sniffer error,
   * despite the @IgnoreJRERequirement annotation there. My assumption is that, because javac