}

  public void testFrequency_set() {
    Set<String> set = newHashSet("a", "b", "c");
    assertEquals(1, frequency(set, "a"));
    assertEquals(1, frequency(set, "b"));
    assertEquals(1, frequency(set, "c"));
    assertEquals(0, frequency(set, "d"));
    assertEquals(0, frequency(set, 4.2));
    assertEquals(0, frequency(set, null));
  }

  public void testFrequency_list() {

        }

        /**
         * Sets the search query string.
         *
         * @param query the query string
         * @return this builder for method chaining
         */
        public SearchConditionBuilder query(final String query) {
            this.query = query;
            return this;
        }

        /**
         * Sets the search request type.
         *

     *
     * @return the isExtended
     */
    public final boolean isExtended() {
        return this.isExtended;
    }

    /**
     * Sets whether the response is extended.
     *
     * @param isExtended
     *            the isExtended to set
     */
    public final void setExtended(final boolean isExtended) {
        this.isExtended = isExtended;
    }

    /**

            Currency.DOLLAR, Country.CANADA,
            Currency.PESO, Country.CHILE,
            Currency.FRANC, Country.SWITZERLAND);
    EnumBiMap<Currency, Country> bimap = EnumBiMap.create(map);
    Set<Object> uniqueEntries = Sets.newIdentityHashSet();
    uniqueEntries.addAll(bimap.entrySet());
    assertEquals(3, uniqueEntries.size());
  }

  @GwtIncompatible
  @J2ktIncompatible
    public void testSerializable() {

         */
        public CompletableFuture<Void> getNotificationFuture() {
            return notificationFuture;
        }

        /**
         * Sets the future for asynchronous notification completion
         * @param future the notification future to set
         */
        public void setNotificationFuture(CompletableFuture<Void> future) {
            this.notificationFuture = future;
        }
    }

    public void delete(final RequestHeader requestHeader) {

        requestHeaderBhv.delete(requestHeader, op -> {
            op.setRefreshPolicy(Constants.TRUE);
        });

    }

    /**
     * Sets up the database query conditions for retrieving request headers based on pager criteria.
     *
     * @param cb the condition bean for building the database query

    } while (index != startingIndex);
    return false;
  }

  @Override
  void setBits(BitSet table) {
    if (containsZero) {
      table.set(0);
    }
    for (char c : this.table) {
      if (c != 0) {
        table.set(c);
      }
    }
  }

     * "java.protocol.handler.pkgs".
     */
    private static final String[] JVM_VENDOR_DEFAULT_PKGS = { "sun.net.www.protocol" };

    private static URLStreamHandlerFactory factory;

    /**
     * Sets the URL stream handler factory for the environment.  This
     * allows specification of the factory used in creating underlying
     * stream handlers.  This can be called once per JVM instance.
     *

const contextAuditKey = contextKeyType("audit-entry")

// SetAuditEntry sets Audit info in the context.
func SetAuditEntry(ctx context.Context, audit *audit.Entry) context.Context {
	if ctx == nil {
		LogIf(context.Background(), "audit", fmt.Errorf("context is nil"))
		return nil
	}
	return context.WithValue(ctx, contextAuditKey, audit)
}

// GetAuditEntry returns Audit entry if set.
func GetAuditEntry(ctx context.Context) *audit.Entry {

		logBuf:  ring.New(defaultLogBufferCount),
	}
}

// IsOnline always true in case of console logger
func (sys *HTTPConsoleLoggerSys) IsOnline(_ context.Context) bool {
	return true
}

// SetNodeName - sets the node name if any after distributed setup has initialized
func (sys *HTTPConsoleLoggerSys) SetNodeName(nodeName string) {
	if !globalIsDistErasure {
		sys.nodeName = ""
		return
	}