assertThrows(NullPointerException.class, () -> builder.add((String) null));
  }

  public void testBuilderAddAllHandlesNullsCorrectly() {
    {
      ImmutableMultiset.Builder<String> builder = ImmutableMultiset.builder();
      assertThrows(NullPointerException.class, () -> builder.addAll((Collection<String>) null));
    }

    {

            return (Calendar) o;
        }
        final java.util.Date date = DateConversionUtil.toDate(o, pattern);
        if (date != null) {
            final Calendar cal = Calendar.getInstance();
            cal.setTime(date);
            return cal;
        }
        return null;
    }

    /**
     * Converts to a {@link Calendar} with the local {@link TimeZone} and {@link Locale}.
     *
     * @param calendar

    return (connectingEdge == null)
        ? ImmutableSet.<E>of().iterator()
        : Iterators.singletonIterator(connectingEdge);
  }

  @Override
  public int size() {
    return getConnectingEdge() == null ? 0 : 1;
  }

  @Override
  public boolean contains(@Nullable Object edge) {
    E connectingEdge = getConnectingEdge();
    return connectingEdge != null && connectingEdge.equals(edge);
  }

    public java.util.Map getExpressionsBySyntax()
    {
        if ( expressionsBySyntax == null )
        {
            expressionsBySyntax = new java.util.HashMap();

            java.util.List expressions = getExpressions();

            if ( expressions != null && !expressions.isEmpty() )
            {
                for ( java.util.Iterator it = expressions.iterator(); it.hasNext(); )

        }
      }.build()

  class Builder {
    internal var client: OkHttpClient? = null
    internal var url: HttpUrl? = null
    internal var includeIPv6 = true
    internal var post = false
    internal var systemDns = Dns.SYSTEM
    internal var bootstrapDnsHosts: List<InetAddress>? = null
    internal var resolvePrivateAddresses = false
    internal var resolvePublicAddresses = true

            @Nonnull Session session, @Nonnull ArtifactCoordinates coordinates) {
        return builder()
                .session(requireNonNull(session, "session cannot be null"))
                .groupId(requireNonNull(coordinates, "coordinates cannot be null")
                        .getGroupId())
                .artifactId(coordinates.getArtifactId())
                .version(coordinates.getVersionConstraint().toString())

        for (final Map.Entry<String, Map<String, AccessResultImpl<Long>>> entry : sessionMap.entrySet()) {
            if (entry.getValue() != null) {
                final AccessResultImpl<Long> ar = entry.getValue().get(url);
                if (ar != null) {
                    acList.add(ar);
                }
            }
        }
        // TODO order
        return acList;
    }

    /**

        // SecurityBufferOffset (+4) and Length (+6)
        SMBUtil.writeInt2(secBufOffset, buf, bodyStart + 4);
        SMBUtil.writeInt2(blob != null ? blob.length : 0, buf, bodyStart + 6);
        if (blob != null && blob.length > 0) {
            int blobStart = headerStart + secBufOffset;
            System.arraycopy(blob, 0, buf, blobStart, blob.length);
        }
    }

    @Test

  /**
   * A word about using {@link Equivalence}, which automatically checks for {@code null} and
   * identical inputs: This sounds like it ought to be a problem here, since the goals of this class
   * include testing that {@code equals()} is reflexive and is tolerant of {@code null}. However,
   * there's no problem. The reason: {@link EqualsTester} tests {@code null} and identical inputs

     *
     * @param request The request that holds the details about the plugin and the repositories to consult, must not be
     *            {@code null}.
     * @return The result of the version resolution, never {@code null}.
     * @throws PluginVersionResolutionException If the plugin version could not be resolved.
     */