1 files changed, 62 insertions, 0 deletions
diff --git a/vendor/open-telemetry/sdk/Metrics/MeterProviderBuilder.php b/vendor/open-telemetry/sdk/Metrics/MeterProviderBuilder.php
new file mode 100644
index 000000000..17f0be895
--- /dev/null
+++ b/vendor/open-telemetry/sdk/Metrics/MeterProviderBuilder.php
@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Metrics;
+
+use OpenTelemetry\SDK\Common\Attribute\Attributes;
+use OpenTelemetry\SDK\Common\Instrumentation\InstrumentationScopeFactory;
+use OpenTelemetry\SDK\Common\Time\ClockFactory;
+use OpenTelemetry\SDK\Metrics\Exemplar\ExemplarFilter\WithSampledTraceExemplarFilter;
+use OpenTelemetry\SDK\Metrics\Exemplar\ExemplarFilterInterface;
+use OpenTelemetry\SDK\Metrics\StalenessHandler\NoopStalenessHandlerFactory;
+use OpenTelemetry\SDK\Metrics\View\CriteriaViewRegistry;
+use OpenTelemetry\SDK\Resource\ResourceInfo;
+use OpenTelemetry\SDK\Resource\ResourceInfoFactory;
+
+class MeterProviderBuilder
+{
+    // @var array<MetricReaderInterface>
+    private array $metricReaders = [];
+    private ?ResourceInfo $resource = null;
+    private ?ExemplarFilterInterface $exemplarFilter = null;
+
+    public function setResource(ResourceInfo $resource): self
+    {
+        $this->resource = $resource;
+
+        return $this;
+    }
+
+    public function setExemplarFilter(ExemplarFilterInterface $exemplarFilter): self
+    {
+        $this->exemplarFilter = $exemplarFilter;
+
+        return $this;
+    }
+
+    public function addReader(MetricReaderInterface $reader): self
+    {
+        $this->metricReaders[] = $reader;
+
+        return $this;
+    }
+
+    /**
+     * @psalm-suppress PossiblyInvalidArgument
+     */
+    public function build(): MeterProviderInterface
+    {
+        return new MeterProvider(
+            null,
+            $this->resource ?? ResourceInfoFactory::emptyResource(),
+            ClockFactory::getDefault(),
+            Attributes::factory(),
+            new InstrumentationScopeFactory(Attributes::factory()),
+            $this->metricReaders,
+            new CriteriaViewRegistry(),
+            $this->exemplarFilter ?? new WithSampledTraceExemplarFilter(),
+            new NoopStalenessHandlerFactory(),
+        );
+    }
+}