minor #33709 Add types to constructors and private/final/internal methods (Batch II) (derrabus)

This PR was squashed before being merged into the 4.4 branch (closes #33709).

Discussion
----------

Add types to constructors and private/final/internal methods (Batch II)

| Q             | A
| ------------- | ---
| Branch?       | 4.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Tickets       | #32179, #33228
| License       | MIT
| Doc PR        | N/A

Followup to #33519, this time with:
* Form
* HttpClient
* HttpKernel
* intl
* Ldap
* Ldap
* Lock
* Messenger
* Processor
* PropertyInfo
* Routing
* Security
* Serializer
* Stopwatch
* Translation

Commits
-------

9378eb4858 Add types to constructors and private/final/internal methods (Batch II)

Author: Tobion

Adapter/ExtLdap/Collection.php

@@ -118,7 +118,7 @@ public function offsetUnset($offset)
         unset($this->entries[$offset]);
     }
 
-    private function getSingleEntry($con, $current)
+    private function getSingleEntry($con, $current): Entry
     {
         $attributes = ldap_get_attributes($con, $current);
 
@@ -137,7 +137,7 @@ private function getSingleEntry($con, $current)
         return new Entry($dn, $attributes);
     }
 
-    private function cleanupAttributes(array $entry)
+    private function cleanupAttributes(array $entry): array
     {
         $attributes = array_diff_key($entry, array_flip(range(0, $entry['count'] - 1)) + [
                 'count' => null,

Adapter/ExtLdap/ConnectionOptions.php

@@ -62,7 +62,7 @@ final class ConnectionOptions
     const X_KEEPALIVE_PROBES = 0x6301;
     const X_KEEPALIVE_INTERVAL = 0x6302;
 
-    public static function getOptionName($name)
+    public static function getOptionName(string $name): string
     {
         return sprintf('%s::%s', self::class, strtoupper($name));
     }
@@ -71,11 +71,9 @@ public static function getOptionName($name)
      * Fetches an option's corresponding constant value from an option name.
      * The option name can either be in snake or camel case.
      *
-     * @param string $name
-     *
      * @throws LdapException
      */
-    public static function getOption($name): int
+    public static function getOption(string $name): int
     {
         // Convert
         $constantName = self::getOptionName($name);
@@ -87,7 +85,7 @@ public static function getOption($name): int
         return \constant($constantName);
     }
 
-    public static function isOption($name)
+    public static function isOption(string $name): bool
     {
         return \defined(self::getOptionName($name));
     }

Adapter/ExtLdap/EntryManager.php

@@ -156,7 +156,7 @@ public function applyOperations(string $dn, iterable $operations): void
         }
     }
 
-    private function parseRdnFromEntry(Entry $entry)
+    private function parseRdnFromEntry(Entry $entry): string
     {
         if (!preg_match('/^([^,]+),/', $entry->getDn(), $matches)) {
             throw new LdapException(sprintf('Entry "%s" malformed, could not parse RDN.', $entry->getDn()));