// =================== DO NOT EDIT THIS FILE ====================
   //  Generated by Modello Velocity from transformer.vm
   //  template, any modifications will be overwritten.
   // ==============================================================
   package org.apache.maven.settings.v4;
   
   import java.io.ObjectStreamException;
   import java.util.AbstractList;
   import java.util.ArrayList;
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.LinkedHashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.Properties;
  import java.util.Objects;
  import java.util.function.BinaryOperator;
  import java.util.function.Function;
  import java.util.function.Supplier;
  import java.util.stream.Collectors;
  
  import org.apache.maven.api.annotations.Generated;
  import org.apache.maven.api.xml.XmlNode;
  import org.apache.maven.api.settings.TrackableBase;
  import org.apache.maven.api.settings.IdentifiableBase;
  import org.apache.maven.api.settings.Settings;
  import org.apache.maven.api.settings.Proxy;
  import org.apache.maven.api.settings.Server;
  import org.apache.maven.api.settings.Mirror;
  import org.apache.maven.api.settings.Profile;
  import org.apache.maven.api.settings.Activation;
  import org.apache.maven.api.settings.RepositoryBase;
  import org.apache.maven.api.settings.Repository;
  import org.apache.maven.api.settings.RepositoryPolicy;
  import org.apache.maven.api.settings.ActivationProperty;
  import org.apache.maven.api.settings.ActivationOS;
  import org.apache.maven.api.settings.ActivationFile;
  import org.apache.maven.api.settings.InputLocation;
  import org.apache.maven.api.settings.InputSource;
  import org.apache.maven.internal.xml.XmlNodeImpl;
  
  @Generated
  public class SettingsTransformer {
  
      private final Function<String, String> transformer;
  
      public SettingsTransformer(Function<String, String> transformer) {
          this.transformer = transformer;
      }
  
      /**
       * Transforms the given model
       */
      public Settings visit(Settings target) {
          Objects.requireNonNull(target, "target cannot be null");
          return transformSettings(target);
      }
  
      /**
       * The transformation function.
       */
      protected String transform(String value) {
          return transformer.apply(value);
      }
  
      protected TrackableBase transformTrackableBase(TrackableBase target) {
          if (target == null) {
              return null;
          }
          Supplier<TrackableBase.Builder> creator = () -> TrackableBase.newBuilder(target);
          TrackableBase.Builder builder = null;
          return builder != null ? builder.build() : target;
      }
  
  
      protected IdentifiableBase transformIdentifiableBase(IdentifiableBase target) {
          if (target == null) {
              return null;
          }
          Supplier<IdentifiableBase.Builder> creator = () -> IdentifiableBase.newBuilder(target);
          IdentifiableBase.Builder builder = null;
          builder = (IdentifiableBase.Builder) transformIdentifiableBase_Id(creator, builder, target);
          return builder != null ? builder.build() : target;
      }
  
      protected IdentifiableBase.Builder transformIdentifiableBase_Id(Supplier<? extends IdentifiableBase.Builder> creator, IdentifiableBase.Builder builder, IdentifiableBase target) {
          String oldVal = target.getId();
          String newVal = transform(oldVal);
          return newVal != oldVal ? (builder != null ? builder : creator.get()).id(newVal) : builder;
      }
  
      protected Settings transformSettings(Settings target) {
          if (target == null) {
              return null;
          }
          Supplier<Settings.Builder> creator = () -> Settings.newBuilder(target);
          Settings.Builder builder = null;
          builder = (Settings.Builder) transformSettings_LocalRepository(creator, builder, target);
         builder = (Settings.Builder) transformSettings_InteractiveMode(creator, builder, target);
         builder = (Settings.Builder) transformSettings_UsePluginRegistry(creator, builder, target);
         builder = (Settings.Builder) transformSettings_Offline(creator, builder, target);
         builder = (Settings.Builder) transformSettings_Proxies(creator, builder, target);
         builder = (Settings.Builder) transformSettings_Servers(creator, builder, target);
         builder = (Settings.Builder) transformSettings_Mirrors(creator, builder, target);
         builder = (Settings.Builder) transformSettings_Repositories(creator, builder, target);
         builder = (Settings.Builder) transformSettings_PluginRepositories(creator, builder, target);
         builder = (Settings.Builder) transformSettings_Profiles(creator, builder, target);
         builder = (Settings.Builder) transformSettings_ActiveProfiles(creator, builder, target);
         builder = (Settings.Builder) transformSettings_PluginGroups(creator, builder, target);
         return builder != null ? builder.build() : target;
     }
 
     protected Settings.Builder transformSettings_LocalRepository(Supplier<? extends Settings.Builder> creator, Settings.Builder builder, Settings target) {
         String oldVal = target.getLocalRepository();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).localRepository(newVal) : builder;
     }
     protected Settings.Builder transformSettings_InteractiveMode(Supplier<? extends Settings.Builder> creator, Settings.Builder builder, Settings target) {
         // nothing to do, the transformer only handles strings
         return builder;
     }
     protected Settings.Builder transformSettings_UsePluginRegistry(Supplier<? extends Settings.Builder> creator, Settings.Builder builder, Settings target) {
         // nothing to do, the transformer only handles strings
         return builder;
     }
     protected Settings.Builder transformSettings_Offline(Supplier<? extends Settings.Builder> creator, Settings.Builder builder, Settings target) {
         // nothing to do, the transformer only handles strings
         return builder;
     }
     protected Settings.Builder transformSettings_Proxies(Supplier<? extends Settings.Builder> creator, Settings.Builder builder, Settings target) {
         List<Proxy> oldVal = target.getProxies();
         List<Proxy> newVal = transform(oldVal, this::transformProxy);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).proxies(newVal) : builder;
     }
     protected Settings.Builder transformSettings_Servers(Supplier<? extends Settings.Builder> creator, Settings.Builder builder, Settings target) {
         List<Server> oldVal = target.getServers();
         List<Server> newVal = transform(oldVal, this::transformServer);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).servers(newVal) : builder;
     }
     protected Settings.Builder transformSettings_Mirrors(Supplier<? extends Settings.Builder> creator, Settings.Builder builder, Settings target) {
         List<Mirror> oldVal = target.getMirrors();
         List<Mirror> newVal = transform(oldVal, this::transformMirror);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).mirrors(newVal) : builder;
     }
     protected Settings.Builder transformSettings_Repositories(Supplier<? extends Settings.Builder> creator, Settings.Builder builder, Settings target) {
         List<Repository> oldVal = target.getRepositories();
         List<Repository> newVal = transform(oldVal, this::transformRepository);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).repositories(newVal) : builder;
     }
     protected Settings.Builder transformSettings_PluginRepositories(Supplier<? extends Settings.Builder> creator, Settings.Builder builder, Settings target) {
         List<Repository> oldVal = target.getPluginRepositories();
         List<Repository> newVal = transform(oldVal, this::transformRepository);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).pluginRepositories(newVal) : builder;
     }
     protected Settings.Builder transformSettings_Profiles(Supplier<? extends Settings.Builder> creator, Settings.Builder builder, Settings target) {
         List<Profile> oldVal = target.getProfiles();
         List<Profile> newVal = transform(oldVal, this::transformProfile);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).profiles(newVal) : builder;
     }
     protected Settings.Builder transformSettings_ActiveProfiles(Supplier<? extends Settings.Builder> creator, Settings.Builder builder, Settings target) {
         List<String> oldVal = target.getActiveProfiles();
         List<String> newVal = transform(oldVal, this::transform);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).activeProfiles(newVal) : builder;
     }
     protected Settings.Builder transformSettings_PluginGroups(Supplier<? extends Settings.Builder> creator, Settings.Builder builder, Settings target) {
         List<String> oldVal = target.getPluginGroups();
         List<String> newVal = transform(oldVal, this::transform);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).pluginGroups(newVal) : builder;
     }
 
     protected Proxy transformProxy(Proxy target) {
         if (target == null) {
             return null;
         }
         Supplier<Proxy.Builder> creator = () -> Proxy.newBuilder(target);
         Proxy.Builder builder = null;
         builder = (Proxy.Builder) transformProxy_ActiveString(creator, builder, target);
         builder = (Proxy.Builder) transformProxy_Protocol(creator, builder, target);
         builder = (Proxy.Builder) transformProxy_Username(creator, builder, target);
         builder = (Proxy.Builder) transformProxy_Password(creator, builder, target);
         builder = (Proxy.Builder) transformProxy_PortString(creator, builder, target);
         builder = (Proxy.Builder) transformProxy_Host(creator, builder, target);
         builder = (Proxy.Builder) transformProxy_NonProxyHosts(creator, builder, target);
         builder = (Proxy.Builder) transformIdentifiableBase_Id(creator, builder, target);
         return builder != null ? builder.build() : target;
     }
 
     protected Proxy.Builder transformProxy_ActiveString(Supplier<? extends Proxy.Builder> creator, Proxy.Builder builder, Proxy target) {
         String oldVal = target.getActiveString();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).activeString(newVal) : builder;
     }
     protected Proxy.Builder transformProxy_Protocol(Supplier<? extends Proxy.Builder> creator, Proxy.Builder builder, Proxy target) {
         String oldVal = target.getProtocol();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).protocol(newVal) : builder;
     }
     protected Proxy.Builder transformProxy_Username(Supplier<? extends Proxy.Builder> creator, Proxy.Builder builder, Proxy target) {
         String oldVal = target.getUsername();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).username(newVal) : builder;
     }
     protected Proxy.Builder transformProxy_Password(Supplier<? extends Proxy.Builder> creator, Proxy.Builder builder, Proxy target) {
         String oldVal = target.getPassword();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).password(newVal) : builder;
     }
     protected Proxy.Builder transformProxy_PortString(Supplier<? extends Proxy.Builder> creator, Proxy.Builder builder, Proxy target) {
         String oldVal = target.getPortString();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).portString(newVal) : builder;
     }
     protected Proxy.Builder transformProxy_Host(Supplier<? extends Proxy.Builder> creator, Proxy.Builder builder, Proxy target) {
         String oldVal = target.getHost();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).host(newVal) : builder;
     }
     protected Proxy.Builder transformProxy_NonProxyHosts(Supplier<? extends Proxy.Builder> creator, Proxy.Builder builder, Proxy target) {
         String oldVal = target.getNonProxyHosts();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).nonProxyHosts(newVal) : builder;
     }
     protected Proxy.Builder transformProxy_Id(Supplier<? extends Proxy.Builder> creator, Proxy.Builder builder, Proxy target) {
         String oldVal = target.getId();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).id(newVal) : builder;
     }
 
     protected Server transformServer(Server target) {
         if (target == null) {
             return null;
         }
         Supplier<Server.Builder> creator = () -> Server.newBuilder(target);
         Server.Builder builder = null;
         builder = (Server.Builder) transformServer_Username(creator, builder, target);
         builder = (Server.Builder) transformServer_Password(creator, builder, target);
         builder = (Server.Builder) transformServer_PrivateKey(creator, builder, target);
         builder = (Server.Builder) transformServer_Passphrase(creator, builder, target);
         builder = (Server.Builder) transformServer_FilePermissions(creator, builder, target);
         builder = (Server.Builder) transformServer_DirectoryPermissions(creator, builder, target);
         builder = (Server.Builder) transformServer_Configuration(creator, builder, target);
         builder = (Server.Builder) transformIdentifiableBase_Id(creator, builder, target);
         return builder != null ? builder.build() : target;
     }
 
     protected Server.Builder transformServer_Username(Supplier<? extends Server.Builder> creator, Server.Builder builder, Server target) {
         String oldVal = target.getUsername();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).username(newVal) : builder;
     }
     protected Server.Builder transformServer_Password(Supplier<? extends Server.Builder> creator, Server.Builder builder, Server target) {
         String oldVal = target.getPassword();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).password(newVal) : builder;
     }
     protected Server.Builder transformServer_PrivateKey(Supplier<? extends Server.Builder> creator, Server.Builder builder, Server target) {
         String oldVal = target.getPrivateKey();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).privateKey(newVal) : builder;
     }
     protected Server.Builder transformServer_Passphrase(Supplier<? extends Server.Builder> creator, Server.Builder builder, Server target) {
         String oldVal = target.getPassphrase();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).passphrase(newVal) : builder;
     }
     protected Server.Builder transformServer_FilePermissions(Supplier<? extends Server.Builder> creator, Server.Builder builder, Server target) {
         String oldVal = target.getFilePermissions();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).filePermissions(newVal) : builder;
     }
     protected Server.Builder transformServer_DirectoryPermissions(Supplier<? extends Server.Builder> creator, Server.Builder builder, Server target) {
         String oldVal = target.getDirectoryPermissions();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).directoryPermissions(newVal) : builder;
     }
     protected Server.Builder transformServer_Configuration(Supplier<? extends Server.Builder> creator, Server.Builder builder, Server target) {
         XmlNode oldVal = target.getConfiguration();
         XmlNode newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).configuration(newVal) : builder;
     }
     protected Server.Builder transformServer_Id(Supplier<? extends Server.Builder> creator, Server.Builder builder, Server target) {
         String oldVal = target.getId();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).id(newVal) : builder;
     }
 
     protected Mirror transformMirror(Mirror target) {
         if (target == null) {
             return null;
         }
         Supplier<Mirror.Builder> creator = () -> Mirror.newBuilder(target);
         Mirror.Builder builder = null;
         builder = (Mirror.Builder) transformMirror_MirrorOf(creator, builder, target);
         builder = (Mirror.Builder) transformMirror_Name(creator, builder, target);
         builder = (Mirror.Builder) transformMirror_Url(creator, builder, target);
         builder = (Mirror.Builder) transformMirror_Layout(creator, builder, target);
         builder = (Mirror.Builder) transformMirror_MirrorOfLayouts(creator, builder, target);
         builder = (Mirror.Builder) transformMirror_Blocked(creator, builder, target);
         builder = (Mirror.Builder) transformIdentifiableBase_Id(creator, builder, target);
         return builder != null ? builder.build() : target;
     }
 
     protected Mirror.Builder transformMirror_MirrorOf(Supplier<? extends Mirror.Builder> creator, Mirror.Builder builder, Mirror target) {
         String oldVal = target.getMirrorOf();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).mirrorOf(newVal) : builder;
     }
     protected Mirror.Builder transformMirror_Name(Supplier<? extends Mirror.Builder> creator, Mirror.Builder builder, Mirror target) {
         String oldVal = target.getName();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).name(newVal) : builder;
     }
     protected Mirror.Builder transformMirror_Url(Supplier<? extends Mirror.Builder> creator, Mirror.Builder builder, Mirror target) {
         String oldVal = target.getUrl();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).url(newVal) : builder;
     }
     protected Mirror.Builder transformMirror_Layout(Supplier<? extends Mirror.Builder> creator, Mirror.Builder builder, Mirror target) {
         String oldVal = target.getLayout();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).layout(newVal) : builder;
     }
     protected Mirror.Builder transformMirror_MirrorOfLayouts(Supplier<? extends Mirror.Builder> creator, Mirror.Builder builder, Mirror target) {
         String oldVal = target.getMirrorOfLayouts();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).mirrorOfLayouts(newVal) : builder;
     }
     protected Mirror.Builder transformMirror_Blocked(Supplier<? extends Mirror.Builder> creator, Mirror.Builder builder, Mirror target) {
         // nothing to do, the transformer only handles strings
         return builder;
     }
     protected Mirror.Builder transformMirror_Id(Supplier<? extends Mirror.Builder> creator, Mirror.Builder builder, Mirror target) {
         String oldVal = target.getId();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).id(newVal) : builder;
     }
 
     protected Profile transformProfile(Profile target) {
         if (target == null) {
             return null;
         }
         Supplier<Profile.Builder> creator = () -> Profile.newBuilder(target);
         Profile.Builder builder = null;
         builder = (Profile.Builder) transformProfile_Activation(creator, builder, target);
         builder = (Profile.Builder) transformProfile_Properties(creator, builder, target);
         builder = (Profile.Builder) transformProfile_Repositories(creator, builder, target);
         builder = (Profile.Builder) transformProfile_PluginRepositories(creator, builder, target);
         builder = (Profile.Builder) transformIdentifiableBase_Id(creator, builder, target);
         return builder != null ? builder.build() : target;
     }
 
     protected Profile.Builder transformProfile_Activation(Supplier<? extends Profile.Builder> creator, Profile.Builder builder, Profile target) {
         Activation oldVal = target.getActivation();
         Activation newVal = transformActivation(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).activation(newVal) : builder;
     }
     protected Profile.Builder transformProfile_Properties(Supplier<? extends Profile.Builder> creator, Profile.Builder builder, Profile target) {
         Map<String, String> props = target.getProperties();
         Map<String, String> newProps = null;
         for (Map.Entry<String, String> entry : props.entrySet()) {
             String newVal = transform(entry.getValue());
             if (newVal != null && newVal != entry.getValue()) {
                 if (newProps == null) {
                     newProps = new HashMap<>();
                     newProps.putAll(props);
                     builder = builder != null ? builder : creator.get();
                     builder.properties(newProps);
                 }
                 newProps.put(entry.getKey(), newVal);
             }
         }
         return builder;
     }
     protected Profile.Builder transformProfile_Repositories(Supplier<? extends Profile.Builder> creator, Profile.Builder builder, Profile target) {
         List<Repository> oldVal = target.getRepositories();
         List<Repository> newVal = transform(oldVal, this::transformRepository);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).repositories(newVal) : builder;
     }
     protected Profile.Builder transformProfile_PluginRepositories(Supplier<? extends Profile.Builder> creator, Profile.Builder builder, Profile target) {
         List<Repository> oldVal = target.getPluginRepositories();
         List<Repository> newVal = transform(oldVal, this::transformRepository);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).pluginRepositories(newVal) : builder;
     }
     protected Profile.Builder transformProfile_Id(Supplier<? extends Profile.Builder> creator, Profile.Builder builder, Profile target) {
         String oldVal = target.getId();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).id(newVal) : builder;
     }
 
     protected Activation transformActivation(Activation target) {
         if (target == null) {
             return null;
         }
         Supplier<Activation.Builder> creator = () -> Activation.newBuilder(target);
         Activation.Builder builder = null;
         builder = (Activation.Builder) transformActivation_ActiveByDefault(creator, builder, target);
         builder = (Activation.Builder) transformActivation_Jdk(creator, builder, target);
         builder = (Activation.Builder) transformActivation_Os(creator, builder, target);
         builder = (Activation.Builder) transformActivation_Property(creator, builder, target);
         builder = (Activation.Builder) transformActivation_File(creator, builder, target);
         builder = (Activation.Builder) transformActivation_Packaging(creator, builder, target);
         return builder != null ? builder.build() : target;
     }
 
     protected Activation.Builder transformActivation_ActiveByDefault(Supplier<? extends Activation.Builder> creator, Activation.Builder builder, Activation target) {
         // nothing to do, the transformer only handles strings
         return builder;
     }
     protected Activation.Builder transformActivation_Jdk(Supplier<? extends Activation.Builder> creator, Activation.Builder builder, Activation target) {
         String oldVal = target.getJdk();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).jdk(newVal) : builder;
     }
     protected Activation.Builder transformActivation_Os(Supplier<? extends Activation.Builder> creator, Activation.Builder builder, Activation target) {
         ActivationOS oldVal = target.getOs();
         ActivationOS newVal = transformActivationOS(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).os(newVal) : builder;
     }
     protected Activation.Builder transformActivation_Property(Supplier<? extends Activation.Builder> creator, Activation.Builder builder, Activation target) {
         ActivationProperty oldVal = target.getProperty();
         ActivationProperty newVal = transformActivationProperty(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).property(newVal) : builder;
     }
     protected Activation.Builder transformActivation_File(Supplier<? extends Activation.Builder> creator, Activation.Builder builder, Activation target) {
         ActivationFile oldVal = target.getFile();
         ActivationFile newVal = transformActivationFile(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).file(newVal) : builder;
     }
     protected Activation.Builder transformActivation_Packaging(Supplier<? extends Activation.Builder> creator, Activation.Builder builder, Activation target) {
         String oldVal = target.getPackaging();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).packaging(newVal) : builder;
     }
 
     protected RepositoryBase transformRepositoryBase(RepositoryBase target) {
         if (target == null) {
             return null;
         }
         Supplier<RepositoryBase.Builder> creator = () -> RepositoryBase.newBuilder(target);
         RepositoryBase.Builder builder = null;
         builder = (RepositoryBase.Builder) transformRepositoryBase_Name(creator, builder, target);
         builder = (RepositoryBase.Builder) transformRepositoryBase_Url(creator, builder, target);
         builder = (RepositoryBase.Builder) transformRepositoryBase_Layout(creator, builder, target);
         builder = (RepositoryBase.Builder) transformIdentifiableBase_Id(creator, builder, target);
         return builder != null ? builder.build() : target;
     }
 
     protected RepositoryBase.Builder transformRepositoryBase_Name(Supplier<? extends RepositoryBase.Builder> creator, RepositoryBase.Builder builder, RepositoryBase target) {
         String oldVal = target.getName();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).name(newVal) : builder;
     }
     protected RepositoryBase.Builder transformRepositoryBase_Url(Supplier<? extends RepositoryBase.Builder> creator, RepositoryBase.Builder builder, RepositoryBase target) {
         String oldVal = target.getUrl();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).url(newVal) : builder;
     }
     protected RepositoryBase.Builder transformRepositoryBase_Layout(Supplier<? extends RepositoryBase.Builder> creator, RepositoryBase.Builder builder, RepositoryBase target) {
         String oldVal = target.getLayout();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).layout(newVal) : builder;
     }
     protected RepositoryBase.Builder transformRepositoryBase_Id(Supplier<? extends RepositoryBase.Builder> creator, RepositoryBase.Builder builder, RepositoryBase target) {
         String oldVal = target.getId();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).id(newVal) : builder;
     }
 
     protected Repository transformRepository(Repository target) {
         if (target == null) {
             return null;
         }
         Supplier<Repository.Builder> creator = () -> Repository.newBuilder(target);
         Repository.Builder builder = null;
         builder = (Repository.Builder) transformRepository_Releases(creator, builder, target);
         builder = (Repository.Builder) transformRepository_Snapshots(creator, builder, target);
         builder = (Repository.Builder) transformRepositoryBase_Name(creator, builder, target);
         builder = (Repository.Builder) transformRepositoryBase_Url(creator, builder, target);
         builder = (Repository.Builder) transformRepositoryBase_Layout(creator, builder, target);
         builder = (Repository.Builder) transformIdentifiableBase_Id(creator, builder, target);
         return builder != null ? builder.build() : target;
     }
 
     protected Repository.Builder transformRepository_Releases(Supplier<? extends Repository.Builder> creator, Repository.Builder builder, Repository target) {
         RepositoryPolicy oldVal = target.getReleases();
         RepositoryPolicy newVal = transformRepositoryPolicy(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).releases(newVal) : builder;
     }
     protected Repository.Builder transformRepository_Snapshots(Supplier<? extends Repository.Builder> creator, Repository.Builder builder, Repository target) {
         RepositoryPolicy oldVal = target.getSnapshots();
         RepositoryPolicy newVal = transformRepositoryPolicy(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).snapshots(newVal) : builder;
     }
     protected Repository.Builder transformRepository_Name(Supplier<? extends Repository.Builder> creator, Repository.Builder builder, Repository target) {
         String oldVal = target.getName();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).name(newVal) : builder;
     }
     protected Repository.Builder transformRepository_Url(Supplier<? extends Repository.Builder> creator, Repository.Builder builder, Repository target) {
         String oldVal = target.getUrl();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).url(newVal) : builder;
     }
     protected Repository.Builder transformRepository_Layout(Supplier<? extends Repository.Builder> creator, Repository.Builder builder, Repository target) {
         String oldVal = target.getLayout();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).layout(newVal) : builder;
     }
     protected Repository.Builder transformRepository_Id(Supplier<? extends Repository.Builder> creator, Repository.Builder builder, Repository target) {
         String oldVal = target.getId();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).id(newVal) : builder;
     }
 
     protected RepositoryPolicy transformRepositoryPolicy(RepositoryPolicy target) {
         if (target == null) {
             return null;
         }
         Supplier<RepositoryPolicy.Builder> creator = () -> RepositoryPolicy.newBuilder(target);
         RepositoryPolicy.Builder builder = null;
         builder = (RepositoryPolicy.Builder) transformRepositoryPolicy_Enabled(creator, builder, target);
         builder = (RepositoryPolicy.Builder) transformRepositoryPolicy_UpdatePolicy(creator, builder, target);
         builder = (RepositoryPolicy.Builder) transformRepositoryPolicy_ChecksumPolicy(creator, builder, target);
         return builder != null ? builder.build() : target;
     }
 
     protected RepositoryPolicy.Builder transformRepositoryPolicy_Enabled(Supplier<? extends RepositoryPolicy.Builder> creator, RepositoryPolicy.Builder builder, RepositoryPolicy target) {
         // nothing to do, the transformer only handles strings
         return builder;
     }
     protected RepositoryPolicy.Builder transformRepositoryPolicy_UpdatePolicy(Supplier<? extends RepositoryPolicy.Builder> creator, RepositoryPolicy.Builder builder, RepositoryPolicy target) {
         String oldVal = target.getUpdatePolicy();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).updatePolicy(newVal) : builder;
     }
     protected RepositoryPolicy.Builder transformRepositoryPolicy_ChecksumPolicy(Supplier<? extends RepositoryPolicy.Builder> creator, RepositoryPolicy.Builder builder, RepositoryPolicy target) {
         String oldVal = target.getChecksumPolicy();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).checksumPolicy(newVal) : builder;
     }
 
     protected ActivationProperty transformActivationProperty(ActivationProperty target) {
         if (target == null) {
             return null;
         }
         Supplier<ActivationProperty.Builder> creator = () -> ActivationProperty.newBuilder(target);
         ActivationProperty.Builder builder = null;
         builder = (ActivationProperty.Builder) transformActivationProperty_Name(creator, builder, target);
         builder = (ActivationProperty.Builder) transformActivationProperty_Value(creator, builder, target);
         return builder != null ? builder.build() : target;
     }
 
     protected ActivationProperty.Builder transformActivationProperty_Name(Supplier<? extends ActivationProperty.Builder> creator, ActivationProperty.Builder builder, ActivationProperty target) {
         String oldVal = target.getName();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).name(newVal) : builder;
     }
     protected ActivationProperty.Builder transformActivationProperty_Value(Supplier<? extends ActivationProperty.Builder> creator, ActivationProperty.Builder builder, ActivationProperty target) {
         String oldVal = target.getValue();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).value(newVal) : builder;
     }
 
     protected ActivationOS transformActivationOS(ActivationOS target) {
         if (target == null) {
             return null;
         }
         Supplier<ActivationOS.Builder> creator = () -> ActivationOS.newBuilder(target);
         ActivationOS.Builder builder = null;
         builder = (ActivationOS.Builder) transformActivationOS_Name(creator, builder, target);
         builder = (ActivationOS.Builder) transformActivationOS_Family(creator, builder, target);
         builder = (ActivationOS.Builder) transformActivationOS_Arch(creator, builder, target);
         builder = (ActivationOS.Builder) transformActivationOS_Version(creator, builder, target);
         return builder != null ? builder.build() : target;
     }
 
     protected ActivationOS.Builder transformActivationOS_Name(Supplier<? extends ActivationOS.Builder> creator, ActivationOS.Builder builder, ActivationOS target) {
         String oldVal = target.getName();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).name(newVal) : builder;
     }
     protected ActivationOS.Builder transformActivationOS_Family(Supplier<? extends ActivationOS.Builder> creator, ActivationOS.Builder builder, ActivationOS target) {
         String oldVal = target.getFamily();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).family(newVal) : builder;
     }
     protected ActivationOS.Builder transformActivationOS_Arch(Supplier<? extends ActivationOS.Builder> creator, ActivationOS.Builder builder, ActivationOS target) {
         String oldVal = target.getArch();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).arch(newVal) : builder;
     }
     protected ActivationOS.Builder transformActivationOS_Version(Supplier<? extends ActivationOS.Builder> creator, ActivationOS.Builder builder, ActivationOS target) {
         String oldVal = target.getVersion();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).version(newVal) : builder;
     }
 
     protected ActivationFile transformActivationFile(ActivationFile target) {
         if (target == null) {
             return null;
         }
         Supplier<ActivationFile.Builder> creator = () -> ActivationFile.newBuilder(target);
         ActivationFile.Builder builder = null;
         builder = (ActivationFile.Builder) transformActivationFile_Missing(creator, builder, target);
         builder = (ActivationFile.Builder) transformActivationFile_Exists(creator, builder, target);
         return builder != null ? builder.build() : target;
     }
 
     protected ActivationFile.Builder transformActivationFile_Missing(Supplier<? extends ActivationFile.Builder> creator, ActivationFile.Builder builder, ActivationFile target) {
         String oldVal = target.getMissing();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).missing(newVal) : builder;
     }
     protected ActivationFile.Builder transformActivationFile_Exists(Supplier<? extends ActivationFile.Builder> creator, ActivationFile.Builder builder, ActivationFile target) {
         String oldVal = target.getExists();
         String newVal = transform(oldVal);
         return newVal != oldVal ? (builder != null ? builder : creator.get()).exists(newVal) : builder;
     }
 
     protected <T> List<T> transform(List<T> list, Function<T, T> transformer) {
         List<T> newList = list;
         for (int i = 0; i < list.size(); i++) {
             T oldVal = list.get(i);
             T newVal = transformer.apply(oldVal);
             if (newVal != oldVal) {
                 if (newList == list) {
                     newList = new ArrayList<>(list);
                 }
                 newList.set(i, newVal);
             }
         }
         return newList;
     }
 
     protected <T> Map<String, T> transform(Map<String, T> map, Function<T, T> transformer) {
         Map<String, T> newMap = map;
         for (String key : map.keySet()) {
             T oldVal = map.get(key);
             T newVal = transformer.apply(oldVal);
             if (newVal != oldVal) {
                 if (newMap == map) {
                     newMap = new HashMap<>(map);
                 }
                 newMap.put(key, newVal);
             }
         }
         return newMap;
     }
 
     protected XmlNode transform(XmlNode node) {
         if (node != null) {
             String oldValue = node.getValue();
             String newValue = transform(oldValue);
             Map<String, String> oldAttrs = node.getAttributes();
             Map<String, String> newAttrs = transform(oldAttrs, this::transform);
             List<XmlNode> oldChildren = node.getChildren();
             List<XmlNode> newChildren = transform(oldChildren, this::transform);
             if (oldValue != newValue || oldAttrs != newAttrs || oldChildren != newChildren) {
                 return new XmlNodeImpl(node.getPrefix(), node.getNamespaceUri(), node.getName(),
                         newValue, newAttrs, newChildren, node.getInputLocation());
             }
         }
         return node;
     }
 }