diff -rN -u old-smederee/modules/hub/src/main/scala/de/smederee/html/MetaTags.scala new-smederee/modules/hub/src/main/scala/de/smederee/html/MetaTags.scala
--- old-smederee/modules/hub/src/main/scala/de/smederee/html/MetaTags.scala	2025-01-31 19:52:03.053281924 +0000
+++ new-smederee/modules/hub/src/main/scala/de/smederee/html/MetaTags.scala	2025-01-31 19:52:03.053281924 +0000
@@ -78,12 +78,13 @@
       case Nil      => None
       case keywords => Option(keywords)
     }
-}
 
-extension (keywords: MetaKeyWords) {
-  def isEmpty: Boolean  = keywords.isEmpty
-  def mkString: String  = keywords.toList.mkString(", ")
-  def nonEmpty: Boolean = keywords.nonEmpty
+  extension (keywords: MetaKeyWords) {
+    def isEmpty: Boolean  = keywords.isEmpty
+    def mkString: String  = keywords.toList.mkString(", ")
+    def nonEmpty: Boolean = keywords.nonEmpty
+  }
+
 }
 
 /** HTML meta attributes which can be written into the header part of an HTML page.
diff -rN -u old-smederee/modules/hub/src/main/scala/de/smederee/hub/Account.scala new-smederee/modules/hub/src/main/scala/de/smederee/hub/Account.scala
--- old-smederee/modules/hub/src/main/scala/de/smederee/hub/Account.scala	2025-01-31 19:52:03.053281924 +0000
+++ new-smederee/modules/hub/src/main/scala/de/smederee/hub/Account.scala	2025-01-31 19:52:03.057281931 +0000
@@ -80,23 +80,24 @@
       case (email, _, _, _, _, _) => email
     }
   }
-}
 
-extension (email: Email) {
+  extension (email: Email) {
 
-  /** Convert the email into a [[de.smederee.email.FromAddress]] to be useable within the email middleware.
-    *
-    * @return
-    *   The email address to be used in a `From` header.
-    */
-  def toFromAddress: FromAddress = FromAddress(email.toString)
+    /** Convert the email into a [[de.smederee.email.FromAddress]] to be useable within the email middleware.
+      *
+      * @return
+      *   The email address to be used in a `From` header.
+      */
+    def toFromAddress: FromAddress = FromAddress(email.toString)
+
+    /** Convert the email into a [[de.smederee.email.ToAddress]] to be useable within the email middleware.
+      *
+      * @return
+      *   The email address to be used in a `To` header.
+      */
+    def toToAddress: ToAddress = ToAddress(email.toString)
+  }
 
-  /** Convert the email into a [[de.smederee.email.ToAddress]] to be useable within the email middleware.
-    *
-    * @return
-    *   The email address to be used in a `To` header.
-    */
-  def toToAddress: ToAddress = ToAddress(email.toString)
 }
 
 /** A password is stored as an `Array[Byte]` internally and its `validate(source: String)` function will check that the
@@ -413,28 +414,28 @@
     Eq.instance { (a, b) =>
       a.uid === b.uid && a.name === b.name && a.email === b.email
     }
-}
 
-extension (account: Account) {
+  extension (account: Account) {
 
-  /** Create an assignee entity from this account.
-    *
-    * @return
-    *   An [[Assignee]] which is used to related to tickets being worked on.
-    */
-  def toAssignee: Assignee = Assignee(account.uid, account.name)
-
-  /** Create a submitter entity from this account.
-    *
-    * @return
-    *   A [[Submitter]] who created a ticket.
-    */
-  def toSubmitter: Submitter = Submitter(account.uid, account.name)
-
-  /** Create vcs repository owner metadata from the account.
-    *
-    * @return
-    *   Descriptive information about the owner of a vcs repository based on the account.
-    */
-  def toVcsRepositoryOwner: VcsRepositoryOwner = VcsRepositoryOwner(account.uid, account.name)
+    /** Create an assignee entity from this account.
+      *
+      * @return
+      *   An [[Assignee]] which is used to related to tickets being worked on.
+      */
+    def toAssignee: Assignee = Assignee(account.uid, account.name)
+
+    /** Create a submitter entity from this account.
+      *
+      * @return
+      *   A [[Submitter]] who created a ticket.
+      */
+    def toSubmitter: Submitter = Submitter(account.uid, account.name)
+
+    /** Create vcs repository owner metadata from the account.
+      *
+      * @return
+      *   Descriptive information about the owner of a vcs repository based on the account.
+      */
+    def toVcsRepositoryOwner: VcsRepositoryOwner = VcsRepositoryOwner(account.uid, account.name)
+  }
 }
diff -rN -u old-smederee/modules/hub/src/main/scala/de/smederee/hub/config/SmedereeHubConfig.scala new-smederee/modules/hub/src/main/scala/de/smederee/hub/config/SmedereeHubConfig.scala
--- old-smederee/modules/hub/src/main/scala/de/smederee/hub/config/SmedereeHubConfig.scala	2025-01-31 19:52:03.053281924 +0000
+++ new-smederee/modules/hub/src/main/scala/de/smederee/hub/config/SmedereeHubConfig.scala	2025-01-31 19:52:03.057281931 +0000
@@ -141,10 +141,11 @@
     *   An option to the successfully converted DirectoryPath.
     */
   def fromString(source: String): Option[DirectoryPath] = Try(Paths.get(source)).toOption
-}
 
-extension (dir: DirectoryPath) {
-  def toPath: Path = dir
+  extension (dir: DirectoryPath) {
+    def toPath: Path = dir
+  }
+
 }
 
 opaque type FailedAttempts = Int
@@ -171,10 +172,11 @@
       Option(source)
     else
       None
-}
 
-extension (attempts: FailedAttempts) {
-  def toInt: Int = attempts
+  extension (attempts: FailedAttempts) {
+    def toInt: Int = attempts
+  }
+
 }
 
 opaque type LanguageCode = String
@@ -202,16 +204,17 @@
       case Some(true) => Option(source)
       case _          => None
     }
-}
 
-extension (code: LanguageCode) {
+  extension (code: LanguageCode) {
+
+    /** Convert the language code into a [[java.util.Locale]] to be used for internationalisation functions.
+      *
+      * @return
+      *   A locale retrieved via the `forLanguageTag` method.
+      */
+    def toLocale: java.util.Locale = java.util.Locale.forLanguageTag(code.toString)
+  }
 
-  /** Convert the language code into a [[java.util.Locale]] to be used for internationalisation functions.
-    *
-    * @return
-    *   A locale retrieved via the `forLanguageTag` method.
-    */
-  def toLocale: java.util.Locale = java.util.Locale.forLanguageTag(code.toString)
 }
 
 /** Global constants which are used throughout the code.
diff -rN -u old-smederee/modules/hub/src/main/scala/de/smederee/hub/EditVcsRepositoryForm.scala new-smederee/modules/hub/src/main/scala/de/smederee/hub/EditVcsRepositoryForm.scala
--- old-smederee/modules/hub/src/main/scala/de/smederee/hub/EditVcsRepositoryForm.scala	2025-01-31 19:52:03.053281924 +0000
+++ new-smederee/modules/hub/src/main/scala/de/smederee/hub/EditVcsRepositoryForm.scala	2025-01-31 19:52:03.057281931 +0000
@@ -101,31 +101,30 @@
     }
   }
 
-}
-
-extension (form: EditVcsRepositoryForm) {
+  extension (form: EditVcsRepositoryForm) {
 
-  /** Convert the form class into a stringified map which is used as underlying data type for form handling in the twirl
-    * templating library.
-    *
-    * @return
-    *   A stringified map containing the data of the form.
-    */
-  def toMap: Map[String, String] = {
-    val isPrivate =
-      if (form.isPrivate)
-        "true"
-      else
-        "false"
-    val formData = Map(
-      EditVcsRepositoryForm.fieldName.toString      -> form.name.toString,
-      EditVcsRepositoryForm.fieldIsPrivate.toString -> isPrivate
-    )
-    val description = form.description.fold(Map.empty)(description =>
-      Map(EditVcsRepositoryForm.fieldDescription.toString -> description.toString)
-    )
-    val website =
-      form.website.fold(Map.empty)(website => Map(EditVcsRepositoryForm.fieldWebsite.toString -> website.toString))
-    formData ++ description ++ website
+    /** Convert the form class into a stringified map which is used as underlying data type for form handling in the
+      * twirl templating library.
+      *
+      * @return
+      *   A stringified map containing the data of the form.
+      */
+    def toMap: Map[String, String] = {
+      val isPrivate =
+        if (form.isPrivate)
+          "true"
+        else
+          "false"
+      val formData = Map(
+        EditVcsRepositoryForm.fieldName.toString      -> form.name.toString,
+        EditVcsRepositoryForm.fieldIsPrivate.toString -> isPrivate
+      )
+      val description = form.description.fold(Map.empty)(description =>
+        Map(EditVcsRepositoryForm.fieldDescription.toString -> description.toString)
+      )
+      val website =
+        form.website.fold(Map.empty)(website => Map(EditVcsRepositoryForm.fieldWebsite.toString -> website.toString))
+      formData ++ description ++ website
+    }
   }
 }
diff -rN -u old-smederee/modules/hub/src/main/scala/de/smederee/hub/types.scala new-smederee/modules/hub/src/main/scala/de/smederee/hub/types.scala
--- old-smederee/modules/hub/src/main/scala/de/smederee/hub/types.scala	2025-01-31 19:52:03.053281924 +0000
+++ new-smederee/modules/hub/src/main/scala/de/smederee/hub/types.scala	2025-01-31 19:52:03.057281931 +0000
@@ -150,7 +150,7 @@
     */
   def randomUserId: UserId = UUID.randomUUID
 
-}
-extension (uid: UserId) {
-  def toUUID: UUID = uid
+  extension (uid: UserId) {
+    def toUUID: UUID = uid
+  }
 }
diff -rN -u old-smederee/modules/hub/src/main/scala/de/smederee/ssh/PublicSshKey.scala new-smederee/modules/hub/src/main/scala/de/smederee/ssh/PublicSshKey.scala
--- old-smederee/modules/hub/src/main/scala/de/smederee/ssh/PublicSshKey.scala	2025-01-31 19:52:03.053281924 +0000
+++ new-smederee/modules/hub/src/main/scala/de/smederee/ssh/PublicSshKey.scala	2025-01-31 19:52:03.057281931 +0000
@@ -66,16 +66,17 @@
       case None           => throw new IllegalArgumentException(s"Illegal format for EncodedKeyBytes: $source")
       case Some(keyBytes) => keyBytes
     }
-}
 
-extension (keyBytes: EncodedKeyBytes) {
+  extension (keyBytes: EncodedKeyBytes) {
+
+    /** Convert the key bytes into an array of bytes by decoding the base64 string.
+      *
+      * @return
+      *   The decoded bytes from the actual key bytes that were base64 encoded.
+      */
+    def toByteArray: Array[Byte] = Base64.getDecoder().decode(keyBytes)
+  }
 
-  /** Convert the key bytes into an array of bytes by decoding the base64 string.
-    *
-    * @return
-    *   The decoded bytes from the actual key bytes that were base64 encoded.
-    */
-  def toByteArray: Array[Byte] = Base64.getDecoder().decode(keyBytes)
 }
 
 opaque type KeyComment = String
@@ -267,29 +268,29 @@
       PublicSshKey(id, ownerId, keyType, base64Key, fingerprint, comment, createdAt, None)
     }
   }
-}
-
-extension (sshKey: PublicSshKey) {
 
-  /** Convert this key into an instance of a [[SshPublicKeyStringhPublicKeyString]].
-    *
-    * @return
-    *   A well formatted ssh public key string.
-    */
-  def toSshPublicKeyString: SshPublicKeyString =
-    SshPublicKeyString(
-      s"""${sshKey.keyType.identifier} ${sshKey.keyBytes.toString}${sshKey.comment
-          .map(c => s" ${c.toString}")
-          .getOrElse("")}"""
-    )
+  extension (sshKey: PublicSshKey) {
 
-  /** Convert this key into an instance of a AuthorizedKeyEntry useable by the Apache Mina SSHD library.
-    *
-    * @return
-    *   Either the converted AuthorizedKeyEntry or an error message.
-    */
-  def toAuthorizedKeyEntry: Either[String, AuthorizedKeyEntry] =
-    Try {
-      AuthorizedKeyEntry.parseAuthorizedKeyEntry(sshKey.toSshPublicKeyString.toString)
-    }.toEither.leftMap(_.getMessage())
+    /** Convert this key into an instance of a [[SshPublicKeyStringhPublicKeyString]].
+      *
+      * @return
+      *   A well formatted ssh public key string.
+      */
+    def toSshPublicKeyString: SshPublicKeyString =
+      SshPublicKeyString(
+        s"""${sshKey.keyType.identifier} ${sshKey.keyBytes.toString}${sshKey.comment
+            .map(c => s" ${c.toString}")
+            .getOrElse("")}"""
+      )
+
+    /** Convert this key into an instance of a AuthorizedKeyEntry useable by the Apache Mina SSHD library.
+      *
+      * @return
+      *   Either the converted AuthorizedKeyEntry or an error message.
+      */
+    def toAuthorizedKeyEntry: Either[String, AuthorizedKeyEntry] =
+      Try {
+        AuthorizedKeyEntry.parseAuthorizedKeyEntry(sshKey.toSshPublicKeyString.toString)
+      }.toEither.leftMap(_.getMessage())
+  }
 }
diff -rN -u old-smederee/modules/hub/src/main/scala/de/smederee/ssh/SshServer.scala new-smederee/modules/hub/src/main/scala/de/smederee/ssh/SshServer.scala
--- old-smederee/modules/hub/src/main/scala/de/smederee/ssh/SshServer.scala	2025-01-31 19:52:03.053281924 +0000
+++ new-smederee/modules/hub/src/main/scala/de/smederee/ssh/SshServer.scala	2025-01-31 19:52:03.057281931 +0000
@@ -62,17 +62,18 @@
     *   An option to the successfully converted SshUsername.
     */
   def from(source: String): Option[SshUsername] = Option(source).filter(string => Format.matches(string))
-}
 
-extension (sshUsername: SshUsername) {
+  extension (sshUsername: SshUsername) {
+
+    /** Convert to a [[Username]] instance. The format of both is identical so we just return the wrapped ssh username
+      * string.
+      *
+      * @return
+      *   A proper username derived from the given ssh username.
+      */
+    def toUsername: Username = Username(sshUsername)
+  }
 
-  /** Convert to a [[Username]] instance. The format of both is identical so we just return the wrapped ssh username
-    * string.
-    *
-    * @return
-    *   A proper username derived from the given ssh username.
-    */
-  def toUsername: Username = Username(sshUsername)
 }
 
 /** Configuration for the SSH server.
diff -rN -u old-smederee/modules/hub/src/main/scala/de/smederee/tickets/LabelForm.scala new-smederee/modules/hub/src/main/scala/de/smederee/tickets/LabelForm.scala
--- old-smederee/modules/hub/src/main/scala/de/smederee/tickets/LabelForm.scala	2025-01-31 19:52:03.053281924 +0000
+++ new-smederee/modules/hub/src/main/scala/de/smederee/tickets/LabelForm.scala	2025-01-31 19:52:03.057281931 +0000
@@ -41,23 +41,6 @@
     colour: ColourCode
 )
 
-extension (form: LabelForm) {
-
-  /** Convert the form class into a stringified map which is used as underlying data type for form handling in the twirl
-    * templating library.
-    *
-    * @return
-    *   A stringified map containing the data of the form.
-    */
-  def toMap: Map[String, String] =
-    Map(
-      LabelForm.fieldId.toString          -> form.id.map(_.toString).getOrElse(""),
-      LabelForm.fieldName.toString        -> form.name.toString,
-      LabelForm.fieldDescription.toString -> form.description.map(_.toString).getOrElse(""),
-      LabelForm.fieldColour.toString      -> form.colour.toString
-    )
-}
-
 object LabelForm extends FormValidator[LabelForm] {
   val fieldColour: FormField      = FormField("colour")
   val fieldDescription: FormField = FormField("description")
@@ -110,4 +93,21 @@
     }
   }
 
+  extension (form: LabelForm) {
+
+    /** Convert the form class into a stringified map which is used as underlying data type for form handling in the
+      * twirl templating library.
+      *
+      * @return
+      *   A stringified map containing the data of the form.
+      */
+    def toMap: Map[String, String] =
+      Map(
+        LabelForm.fieldId.toString          -> form.id.map(_.toString).getOrElse(""),
+        LabelForm.fieldName.toString        -> form.name.toString,
+        LabelForm.fieldDescription.toString -> form.description.map(_.toString).getOrElse(""),
+        LabelForm.fieldColour.toString      -> form.colour.toString
+      )
+  }
+
 }
diff -rN -u old-smederee/modules/hub/src/main/scala/de/smederee/tickets/LabelRoutes.scala new-smederee/modules/hub/src/main/scala/de/smederee/tickets/LabelRoutes.scala
--- old-smederee/modules/hub/src/main/scala/de/smederee/tickets/LabelRoutes.scala	2025-01-31 19:52:03.053281924 +0000
+++ new-smederee/modules/hub/src/main/scala/de/smederee/tickets/LabelRoutes.scala	2025-01-31 19:52:03.057281931 +0000
@@ -26,7 +26,6 @@
 import de.smederee.hub._
 import de.smederee.hub.config._
 import de.smederee.hub.forms.types._
-import de.smederee.tickets.toMap // TODO Maybe convert the extions methods into a proper type class?
 import org.http4s._
 import org.http4s.dsl.Http4sDsl
 import org.http4s.dsl.impl._
diff -rN -u old-smederee/modules/hub/src/main/scala/de/smederee/tickets/Label.scala new-smederee/modules/hub/src/main/scala/de/smederee/tickets/Label.scala
--- old-smederee/modules/hub/src/main/scala/de/smederee/tickets/Label.scala	2025-01-31 19:52:03.053281924 +0000
+++ new-smederee/modules/hub/src/main/scala/de/smederee/tickets/Label.scala	2025-01-31 19:52:03.057281931 +0000
@@ -55,10 +55,10 @@
     */
   def fromString(source: String): Option[LabelId] = Option(source).filter(Format.matches).map(_.toLong).flatMap(from)
 
-}
+  extension (id: LabelId) {
+    def toLong: Long = id
+  }
 
-extension (id: LabelId) {
-  def toLong: Long = id
 }
 
 /** Extractor to retrieve an LabelId from a path parameter.
diff -rN -u old-smederee/modules/security/src/main/scala/de/smederee/security/PrivateKey.scala new-smederee/modules/security/src/main/scala/de/smederee/security/PrivateKey.scala
--- old-smederee/modules/security/src/main/scala/de/smederee/security/PrivateKey.scala	2025-01-31 19:52:03.053281924 +0000
+++ new-smederee/modules/security/src/main/scala/de/smederee/security/PrivateKey.scala	2025-01-31 19:52:03.057281931 +0000
@@ -44,15 +44,15 @@
       None
     else
       Option(source)
-}
 
-extension (key: PrivateKey) {
+  extension (key: PrivateKey) {
 
-  /** Return the corresponding array of bytes for the private key.
-    *
-    * @return
-    *   An array of bytes representing the private key.
-    */
-  def toArray: Array[Byte] = key
+    /** Return the corresponding array of bytes for the private key.
+      *
+      * @return
+      *   An array of bytes representing the private key.
+      */
+    def toArray: Array[Byte] = key
 
+  }
 }