1 files changed, 77 insertions, 0 deletions
diff --git a/vendor/open-telemetry/sdk/Common/Attribute/FilteredAttributesBuilder.php b/vendor/open-telemetry/sdk/Common/Attribute/FilteredAttributesBuilder.php
new file mode 100644
index 000000000..d79cff96a
--- /dev/null
+++ b/vendor/open-telemetry/sdk/Common/Attribute/FilteredAttributesBuilder.php
@@ -0,0 +1,77 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Common\Attribute;
+
+use function in_array;
+
+/**
+ * @internal
+ */
+final class FilteredAttributesBuilder implements AttributesBuilderInterface
+{
+    private AttributesBuilderInterface $builder;
+    private array $rejectedKeys;
+    private int $rejected = 0;
+
+    /**
+     * @param list<string> $rejectedKeys
+     */
+    public function __construct(AttributesBuilderInterface $builder, array $rejectedKeys)
+    {
+        $this->builder = $builder;
+        $this->rejectedKeys = $rejectedKeys;
+    }
+
+    public function __clone()
+    {
+        $this->builder = clone $this->builder;
+    }
+
+    public function build(): AttributesInterface
+    {
+        $attributes = $this->builder->build();
+        $dropped = $attributes->getDroppedAttributesCount() + $this->rejected;
+
+        return new Attributes($attributes->toArray(), $dropped);
+    }
+
+    public function offsetExists($offset): bool
+    {
+        return $this->builder->offsetExists($offset);
+    }
+
+    /**
+     * @phan-suppress PhanUndeclaredClassAttribute
+     */
+    #[\ReturnTypeWillChange]
+    public function offsetGet($offset)
+    {
+        return $this->builder->offsetGet($offset);
+    }
+
+    /**
+     * @phan-suppress PhanUndeclaredClassAttribute
+     */
+    #[\ReturnTypeWillChange]
+    public function offsetSet($offset, $value)
+    {
+        if ($value !== null && in_array($offset, $this->rejectedKeys, true)) {
+            $this->rejected++;
+
+            return;
+        }
+
+        $this->builder->offsetSet($offset, $value);
+    }
+
+    /**
+     * @phan-suppress PhanUndeclaredClassAttribute
+     */
+    #[\ReturnTypeWillChange]
+    public function offsetUnset($offset)
+    {
+        $this->builder->offsetUnset($offset);
+    }
+}