diff --git a/src/Token/Builder.php b/src/Token/Builder.php
index d92d41e1..355766b7 100644
--- a/src/Token/Builder.php
+++ b/src/Token/Builder.php
@@ -29,6 +29,10 @@ public function __construct(private readonly Encoder $encoder, private readonly
     {
     }
 
+    /**
+     * @inheritDoc
+     * @pure
+     */
     public function permittedFor(string ...$audiences): BuilderInterface
     {
         $configured = $this->claims[RegisteredClaims::AUDIENCE] ?? [];
@@ -37,36 +41,64 @@ public function permittedFor(string ...$audiences): BuilderInterface
         return $this->setClaim(RegisteredClaims::AUDIENCE, array_merge($configured, $toAppend));
     }
 
+    /**
+     * @inheritDoc
+     * @pure
+     */
     public function expiresAt(DateTimeImmutable $expiration): BuilderInterface
     {
         return $this->setClaim(RegisteredClaims::EXPIRATION_TIME, $expiration);
     }
 
+    /**
+     * @inheritDoc
+     * @pure
+     */
     public function identifiedBy(string $id): BuilderInterface
     {
         return $this->setClaim(RegisteredClaims::ID, $id);
     }
 
+    /**
+     * @inheritDoc
+     * @pure
+     */
     public function issuedAt(DateTimeImmutable $issuedAt): BuilderInterface
     {
         return $this->setClaim(RegisteredClaims::ISSUED_AT, $issuedAt);
     }
 
+    /**
+     * @inheritDoc
+     * @pure
+     */
     public function issuedBy(string $issuer): BuilderInterface
     {
         return $this->setClaim(RegisteredClaims::ISSUER, $issuer);
     }
 
+    /**
+     * @inheritDoc
+     * @pure
+     */
     public function canOnlyBeUsedAfter(DateTimeImmutable $notBefore): BuilderInterface
     {
         return $this->setClaim(RegisteredClaims::NOT_BEFORE, $notBefore);
     }
 
+    /**
+     * @inheritDoc
+     * @pure
+     */
     public function relatedTo(string $subject): BuilderInterface
     {
         return $this->setClaim(RegisteredClaims::SUBJECT, $subject);
     }
 
+    /**
+     * @inheritDoc
+     * @pure
+     */
     public function withHeader(string $name, mixed $value): BuilderInterface
     {
         $new                 = clone $this;
@@ -75,6 +107,10 @@ public function withHeader(string $name, mixed $value): BuilderInterface
         return $new;
     }
 
+    /**
+     * @inheritDoc
+     * @pure
+     */
     public function withClaim(string $name, mixed $value): BuilderInterface
     {
         if (in_array($name, RegisteredClaims::ALL, true)) {