reduce code smells

src/main/java/codes/thischwa/cf/CfDnsClient.java

@@ -219,7 +219,7 @@ public class CfDnsClient extends CfBasicHttpClient {
 
   /**
    * Retrieves DNS records for the specified second-level domain (SLD) within a zone.
-   * Optionally filters by one or more DNS getRecord types.
+   * Optionally, filters by one or more DNS getRecord types.
    *
    * @param zone  The zone entity containing information about the domain zone.
    * @param sld   The second-level domain (SLD) for which to retrieve DNS records.
@@ -446,8 +446,7 @@ public class CfDnsClient extends CfBasicHttpClient {
     if (types != null && types.length > 0) {
       Set<RecordType> allowedTypes = new HashSet<>(Arrays.asList(types));
       filtered = recs.stream()
-          .filter(rec -> allowedTypes.contains(RecordType.valueOf(rec.getType())))
-          .collect(Collectors.toList());
+          .filter(rec -> allowedTypes.contains(RecordType.valueOf(rec.getType()))).toList();
     } else {
       filtered = new ArrayList<>(recs);
     }

src/main/java/codes/thischwa/cf/CfDnsClientBuilder.java

@@ -22,19 +22,6 @@ public class CfDnsClientBuilder {
   @Nullable
   private String baseUrl;
 
-  /**
-   * Constructs a new instance of `CfDnsClientBuilder`.
-   *
-   * <p>This class serves as a builder for creating and configuring instances of a CfDnsClient. It provides
-   * a fluent API to set various optional configurations, such as API authentication methods and base
-   * URL, before constructing the client.
-   *
-   * <p>By using this constructor, you can initiate the building process with default settings, which can
-   * later be overridden using the provided builder methods.
-   */
-  public CfDnsClientBuilder() {
-  }
-
   /**
    * Configures whether an exception should be thrown when an empty result is encountered
    * during operations performed by the `CfDnsClient`.