Replace self return type with static return type of implementations

src/Http/GenericClientHttpException.php

@@ -18,7 +18,7 @@ public function suggestStatusCode(): int
         return $this->httpStatusCode ?? $this->defaultStatusCode();
     }
 
-    public function setHttpStatus(?int $code): self
+    public function setHttpStatus(?int $code): static
     {
         $this->httpStatusCode = $code;
         return $this;

src/Support/SupportInternalContext.php

@@ -24,7 +24,7 @@ trait SupportInternalContext
      *
      * Passing `null` with a key will remove the information under the key.
      */
-    public function pin(mixed $value, string|int|null $key = null): self
+    public function pin(mixed $value, string|int|null $key = null): static
     {
         if ($value === null) {
             if ($key !== null) {
@@ -51,7 +51,7 @@ public function context(): array
     /**
      * Replace current context with given one.
      */
-    public function replaceContext(array $context): self
+    public function replaceContext(array $context): static
     {
         $this->context = $context;
         return $this;

src/Support/SupportInternalExplanation.php

@@ -20,7 +20,7 @@ trait SupportInternalExplanation
     /**
      * Add an explanation for internal purposes (logging, debugging, etc.).
      */
-    public function explain(?string $explanation): self
+    public function explain(?string $explanation): static
     {
         $this->explanation = $explanation;
         return $this;

src/Support/SupportPublicContext.php

@@ -22,7 +22,7 @@ trait SupportPublicContext
      *
      * Passing `null` with a key will remove the information under the key.
      */
-    public function pass(mixed $value, string|int|null $key = null): self
+    public function pass(mixed $value, string|int|null $key = null): static
     {
         if ($value === null) {
             if ($key !== null) {
@@ -49,7 +49,7 @@ public function publicContext(): array
     /**
      * Completely replace current client-facing context with given one.
      */
-    public function replacePublicContext(array $context): self
+    public function replacePublicContext(array $context): static
     {
         $this->publicContext = $context;
         return $this;

src/Support/SupportPublicConveying.php

@@ -31,7 +31,7 @@ public function convey(
         mixed $meta = null,
         ?int $status = null,
         ?string $code = null,
-    ): self {
+    ): static {
         return $this->pass(new ErrorContainer(
             message: $message ?? $this->getDefaultMessageToConvey(),
             source: $source,

src/Support/SupportTagging.php

@@ -22,7 +22,7 @@ trait SupportTagging
      *
      * Both plain string tags and key-tag pairs are supported.
      */
-    public function tag(string $tag, string|int|null $key = null): self
+    public function tag(string $tag, string|int|null $key = null): static
     {
         if ($key !== null) {
             $this->tags[$key] = $tag;
@@ -43,7 +43,7 @@ public function tags(): array
     /**
      * Replace current tags with given ones.
      */
-    public function replaceTags(array $tags): self
+    public function replaceTags(array $tags): static
     {
         $this->tags = [];
         // iterate over the keys for type safety