throw new UnknownHostException("no name with type 0x" + Hexdump.toHexString(addr.getNameType(), 2)
                    + (addr.getName().getScope() == null || addr.getName().getScope().isEmpty() ? " with no scope"
                            : " with scope " + addr.getName().getScope())
                    + " for host " + addr.getHostAddress());
        }
    }

    /**
     * Get the address of the active WINS server

	if accessKeyID == "" || secretAccessKey == "" {
		return errors.New("Presign cannot be generated without access and secret keys")
	}

	region := globalSite.Region()
	date := UTCNow()
	scope := getScope(date, region)
	credential := fmt.Sprintf("%s/%s", accessKeyID, scope)

	// Set URL query.
	query := req.URL.Query()
	query.Set("X-Amz-Algorithm", signV4Algorithm)

    private ChannelInfo selectWeightedRandom(Collection<ChannelInfo> channels) {
        // Calculate total weight
        int totalWeight = 0;
        for (ChannelInfo channel : channels) {
            totalWeight += channel.getScore();
        }

        if (totalWeight == 0) {
            // All channels have zero score, pick randomly
            List<ChannelInfo> list = new ArrayList<>(channels);

    .execute()
    .getResponse();

// Process suggestions
response.getItems().forEach(item -> {
    System.out.println("Suggestion: " + item.getText()[0]);
    System.out.println("Score: " + item.getScore());
});
```

#### 4. Asynchronous Suggestions

```java
suggester.suggest()
    .setQuery("sea")
    .execute()
    .done(response -> {
        // Handle successful response