diff --git a/sdk/include/opentelemetry/sdk/metrics/exemplar/aligned_histogram_bucket_exemplar_reservoir.h b/sdk/include/opentelemetry/sdk/metrics/exemplar/aligned_histogram_bucket_exemplar_reservoir.h
index 504d45feab..2768c4ed60 100644
--- a/sdk/include/opentelemetry/sdk/metrics/exemplar/aligned_histogram_bucket_exemplar_reservoir.h
+++ b/sdk/include/opentelemetry/sdk/metrics/exemplar/aligned_histogram_bucket_exemplar_reservoir.h
@@ -5,16 +5,16 @@
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
 
-#include <memory>
-#include <vector>
+#  include <memory>
+#  include <vector>
 
-#include "opentelemetry/sdk/common/global_log_handler.h"
-#include "opentelemetry/sdk/metrics/data/exemplar_data.h"
-#include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
-#include "opentelemetry/sdk/metrics/exemplar/fixed_size_exemplar_reservoir.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir_cell_selector.h"
-#include "opentelemetry/version.h"
+#  include "opentelemetry/sdk/common/global_log_handler.h"
+#  include "opentelemetry/sdk/metrics/data/exemplar_data.h"
+#  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
+#  include "opentelemetry/sdk/metrics/exemplar/fixed_size_exemplar_reservoir.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir_cell_selector.h"
+#  include "opentelemetry/version.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace common
@@ -42,9 +42,10 @@ class AlignedHistogramBucketExemplarReservoir : public FixedSizeExemplarReservoi
     return std::shared_ptr<ReservoirCellSelector>{new HistogramCellSelector(boundaries)};
   }
 
-  AlignedHistogramBucketExemplarReservoir(size_t size,
-                             std::shared_ptr<ReservoirCellSelector> reservoir_cell_selector,
-                             MapAndResetCellType map_and_reset_cell)
+  AlignedHistogramBucketExemplarReservoir(
+      size_t size,
+      std::shared_ptr<ReservoirCellSelector> reservoir_cell_selector,
+      MapAndResetCellType map_and_reset_cell)
       : FixedSizeExemplarReservoir(size + 1, reservoir_cell_selector, map_and_reset_cell)
   {}
 
@@ -54,7 +55,8 @@ class AlignedHistogramBucketExemplarReservoir : public FixedSizeExemplarReservoi
       const opentelemetry::context::Context &context,
       const opentelemetry::common::SystemTimestamp & /* timestamp */) noexcept override
   {
-    OTEL_INTERNAL_LOG_ERROR("AlignedHistogramBucketExemplarReservoir shouldn't be used with int64_t values");
+    OTEL_INTERNAL_LOG_ERROR(
+        "AlignedHistogramBucketExemplarReservoir shouldn't be used with int64_t values");
   }
 
   class HistogramCellSelector : public ReservoirCellSelector
@@ -67,7 +69,8 @@ class AlignedHistogramBucketExemplarReservoir : public FixedSizeExemplarReservoi
                               const MetricAttributes &attributes,
                               const opentelemetry::context::Context &context) override
     {
-      OTEL_INTERNAL_LOG_ERROR("AlignedHistogramBucketExemplarReservoir shouldn't be used with int64_t values");
+      OTEL_INTERNAL_LOG_ERROR(
+          "AlignedHistogramBucketExemplarReservoir shouldn't be used with int64_t values");
       return -1;
     }
 
diff --git a/sdk/include/opentelemetry/sdk/metrics/exemplar/filter_type.h b/sdk/include/opentelemetry/sdk/metrics/exemplar/filter_type.h
index 5dfa0f2e21..3d3d322fdf 100644
--- a/sdk/include/opentelemetry/sdk/metrics/exemplar/filter_type.h
+++ b/sdk/include/opentelemetry/sdk/metrics/exemplar/filter_type.h
@@ -5,10 +5,10 @@
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
 
-#include <memory>
+#  include <memory>
 
-#include "opentelemetry/sdk/metrics/state/filtered_ordered_attribute_map.h"
-#include "opentelemetry/version.h"
+#  include "opentelemetry/sdk/metrics/state/filtered_ordered_attribute_map.h"
+#  include "opentelemetry/version.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace context
diff --git a/sdk/include/opentelemetry/sdk/metrics/exemplar/filtered_exemplar_reservoir.h b/sdk/include/opentelemetry/sdk/metrics/exemplar/filtered_exemplar_reservoir.h
index 71982604eb..8edd1d4d69 100644
--- a/sdk/include/opentelemetry/sdk/metrics/exemplar/filtered_exemplar_reservoir.h
+++ b/sdk/include/opentelemetry/sdk/metrics/exemplar/filtered_exemplar_reservoir.h
@@ -5,12 +5,12 @@
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
 
-#include <memory>
-#include <vector>
+#  include <memory>
+#  include <vector>
 
-#include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
-#include "opentelemetry/version.h"
+#  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
+#  include "opentelemetry/version.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace common
diff --git a/sdk/include/opentelemetry/sdk/metrics/exemplar/fixed_size_exemplar_reservoir.h b/sdk/include/opentelemetry/sdk/metrics/exemplar/fixed_size_exemplar_reservoir.h
index 0fd0837b38..09ca5e9bbc 100644
--- a/sdk/include/opentelemetry/sdk/metrics/exemplar/fixed_size_exemplar_reservoir.h
+++ b/sdk/include/opentelemetry/sdk/metrics/exemplar/fixed_size_exemplar_reservoir.h
@@ -5,16 +5,16 @@
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
 
-#include <memory>
-#include <vector>
+#  include <memory>
+#  include <vector>
 
-#include "opentelemetry/context/context.h"
-#include "opentelemetry/nostd/function_ref.h"
-#include "opentelemetry/nostd/shared_ptr.h"
-#include "opentelemetry/sdk/common/attribute_utils.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir_cell.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir_cell_selector.h"
+#  include "opentelemetry/context/context.h"
+#  include "opentelemetry/nostd/function_ref.h"
+#  include "opentelemetry/nostd/shared_ptr.h"
+#  include "opentelemetry/sdk/common/attribute_utils.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir_cell.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir_cell_selector.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace sdk
diff --git a/sdk/include/opentelemetry/sdk/metrics/exemplar/no_exemplar_reservoir.h b/sdk/include/opentelemetry/sdk/metrics/exemplar/no_exemplar_reservoir.h
index 931fab9959..439697c197 100644
--- a/sdk/include/opentelemetry/sdk/metrics/exemplar/no_exemplar_reservoir.h
+++ b/sdk/include/opentelemetry/sdk/metrics/exemplar/no_exemplar_reservoir.h
@@ -5,12 +5,12 @@
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
 
-#include <memory>
-#include <vector>
+#  include <memory>
+#  include <vector>
 
-#include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
-#include "opentelemetry/version.h"
+#  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
+#  include "opentelemetry/version.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace common
diff --git a/sdk/include/opentelemetry/sdk/metrics/exemplar/reservoir.h b/sdk/include/opentelemetry/sdk/metrics/exemplar/reservoir.h
index 4bd9a120de..12fd7c30c3 100644
--- a/sdk/include/opentelemetry/sdk/metrics/exemplar/reservoir.h
+++ b/sdk/include/opentelemetry/sdk/metrics/exemplar/reservoir.h
@@ -5,12 +5,12 @@
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
 
-#include <memory>
-#include <vector>
+#  include <memory>
+#  include <vector>
 
-#include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir_cell_selector.h"
-#include "opentelemetry/version.h"
+#  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir_cell_selector.h"
+#  include "opentelemetry/version.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace common
@@ -71,9 +71,9 @@ class ExemplarReservoir
       std::shared_ptr<ExemplarReservoir> reservoir);
 
   static nostd::shared_ptr<ExemplarReservoir> GetSimpleFixedSizeExemplarReservoir(
-    size_t size,
-    std::shared_ptr<ReservoirCellSelector> reservoir_cell_selector,
-    MapAndResetCellType map_and_reset_cell);
+      size_t size,
+      std::shared_ptr<ReservoirCellSelector> reservoir_cell_selector,
+      MapAndResetCellType map_and_reset_cell);
 
   static nostd::shared_ptr<ExemplarReservoir> GetAlignedHistogramBucketExemplarReservoir(
       size_t size,
diff --git a/sdk/include/opentelemetry/sdk/metrics/exemplar/reservoir_cell.h b/sdk/include/opentelemetry/sdk/metrics/exemplar/reservoir_cell.h
index 186e557154..7aa2bdf298 100644
--- a/sdk/include/opentelemetry/sdk/metrics/exemplar/reservoir_cell.h
+++ b/sdk/include/opentelemetry/sdk/metrics/exemplar/reservoir_cell.h
@@ -5,15 +5,15 @@
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
 
-#include <cstddef>
-#include <memory>
-
-#include "opentelemetry/common/timestamp.h"
-#include "opentelemetry/nostd/variant.h"
-#include "opentelemetry/sdk/metrics/data/exemplar_data.h"
-#include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
-#include "opentelemetry/trace/context.h"
-#include "opentelemetry/version.h"
+#  include <cstddef>
+#  include <memory>
+
+#  include "opentelemetry/common/timestamp.h"
+#  include "opentelemetry/nostd/variant.h"
+#  include "opentelemetry/sdk/metrics/data/exemplar_data.h"
+#  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
+#  include "opentelemetry/trace/context.h"
+#  include "opentelemetry/version.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace context
diff --git a/sdk/include/opentelemetry/sdk/metrics/exemplar/reservoir_cell_selector.h b/sdk/include/opentelemetry/sdk/metrics/exemplar/reservoir_cell_selector.h
index dc920374e5..a75a26aec7 100644
--- a/sdk/include/opentelemetry/sdk/metrics/exemplar/reservoir_cell_selector.h
+++ b/sdk/include/opentelemetry/sdk/metrics/exemplar/reservoir_cell_selector.h
@@ -5,12 +5,12 @@
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
 
-#include <cstddef>
-#include <vector>
+#  include <cstddef>
+#  include <vector>
 
-#include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir_cell.h"
-#include "opentelemetry/version.h"
+#  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir_cell.h"
+#  include "opentelemetry/version.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace context
diff --git a/sdk/include/opentelemetry/sdk/metrics/exemplar/simple_fixed_size_exemplar_reservoir.h b/sdk/include/opentelemetry/sdk/metrics/exemplar/simple_fixed_size_exemplar_reservoir.h
index 3ac757fb20..88f8233244 100644
--- a/sdk/include/opentelemetry/sdk/metrics/exemplar/simple_fixed_size_exemplar_reservoir.h
+++ b/sdk/include/opentelemetry/sdk/metrics/exemplar/simple_fixed_size_exemplar_reservoir.h
@@ -5,15 +5,15 @@
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
 
-#include <memory>
-#include <vector>
+#  include <memory>
+#  include <vector>
 
-#include "opentelemetry/sdk/metrics/data/exemplar_data.h"
-#include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
-#include "opentelemetry/sdk/metrics/exemplar/fixed_size_exemplar_reservoir.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir_cell_selector.h"
-#include "opentelemetry/version.h"
+#  include "opentelemetry/sdk/metrics/data/exemplar_data.h"
+#  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
+#  include "opentelemetry/sdk/metrics/exemplar/fixed_size_exemplar_reservoir.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir_cell_selector.h"
+#  include "opentelemetry/version.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace common
@@ -34,13 +34,12 @@ namespace metrics
 class SimpleFixedSizeExemplarReservoir : public FixedSizeExemplarReservoir
 {
 public:
-
   static const size_t kDefaultSimpleReservoirSize = 1;
 
-  static std::shared_ptr<ReservoirCellSelector> GetSimpleFixedSizeCellSelector(size_t size = kDefaultSimpleReservoirSize)
+  static std::shared_ptr<ReservoirCellSelector> GetSimpleFixedSizeCellSelector(
+      size_t size = kDefaultSimpleReservoirSize)
   {
-    return std::shared_ptr<ReservoirCellSelector>{
-        new SimpleFixedSizeCellSelector{size}};
+    return std::shared_ptr<ReservoirCellSelector>{new SimpleFixedSizeCellSelector{size}};
   }
 
   SimpleFixedSizeExemplarReservoir(size_t size,
@@ -68,7 +67,7 @@ class SimpleFixedSizeExemplarReservoir : public FixedSizeExemplarReservoir
                               const opentelemetry::context::Context & /* context */) override
     {
       size_t measurement_num = measurements_seen_++;
-      size_t index = static_cast<size_t>(-1);
+      size_t index           = static_cast<size_t>(-1);
 
       if (measurement_num < size_)
       {
@@ -84,13 +83,13 @@ class SimpleFixedSizeExemplarReservoir : public FixedSizeExemplarReservoir
     }
 
     void reset() override {}
-  
+
   private:
     size_t measurements_seen_ = 0;
     size_t size_;
-}; // class SimpleFixedSizeCellSelector
+  };  // class SimpleFixedSizeCellSelector
 
-}; // class SimpleFixedSizeExemplarReservoir
+};  // class SimpleFixedSizeExemplarReservoir
 
 }  // namespace metrics
 }  // namespace sdk
diff --git a/sdk/include/opentelemetry/sdk/metrics/meter.h b/sdk/include/opentelemetry/sdk/metrics/meter.h
index 500090c798..84040acf7f 100644
--- a/sdk/include/opentelemetry/sdk/metrics/meter.h
+++ b/sdk/include/opentelemetry/sdk/metrics/meter.h
@@ -19,10 +19,10 @@
 #include "opentelemetry/sdk/instrumentationscope/instrumentation_scope.h"
 
 #if ENABLE_METRICS_EXEMPLAR_PREVIEW
-#include "opentelemetry/sdk/metrics/aggregation/aggregation_config.h"
-#include "opentelemetry/sdk/metrics/exemplar/aligned_histogram_bucket_exemplar_reservoir.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
-#include "opentelemetry/sdk/metrics/exemplar/simple_fixed_size_exemplar_reservoir.h"
+#  include "opentelemetry/sdk/metrics/aggregation/aggregation_config.h"
+#  include "opentelemetry/sdk/metrics/exemplar/aligned_histogram_bucket_exemplar_reservoir.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
+#  include "opentelemetry/sdk/metrics/exemplar/simple_fixed_size_exemplar_reservoir.h"
 #endif
 
 #include "opentelemetry/sdk/metrics/instrument_metadata_validator.h"
@@ -159,7 +159,8 @@ class Meter final : public opentelemetry::metrics::Meter
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
 
-  static MapAndResetCellType GetMapAndResetCellMethod(const InstrumentDescriptor &instrument_descriptor)
+  static MapAndResetCellType GetMapAndResetCellMethod(
+      const InstrumentDescriptor &instrument_descriptor)
   {
     if (instrument_descriptor.value_type_ == InstrumentValueType::kLong)
     {
@@ -169,30 +170,35 @@ class Meter final : public opentelemetry::metrics::Meter
     return &ReservoirCell::GetAndResetDouble;
   }
 
-  static nostd::shared_ptr<ExemplarReservoir> GetExemplarReservoir(const AggregationType agg_type, const AggregationConfig *agg_config, const InstrumentDescriptor &instrument_descriptor)
+  static nostd::shared_ptr<ExemplarReservoir> GetExemplarReservoir(
+      const AggregationType agg_type,
+      const AggregationConfig *agg_config,
+      const InstrumentDescriptor &instrument_descriptor)
   {
     if (agg_type == AggregationType::kHistogram)
     {
-      const auto *histogram_agg_config = static_cast<const HistogramAggregationConfig *>(agg_config);
-      // Explicit bucket histogram aggregation with more than 1 bucket will use AlignedHistogramBucketExemplarReservoir.
+      const auto *histogram_agg_config =
+          static_cast<const HistogramAggregationConfig *>(agg_config);
+      // Explicit bucket histogram aggregation with more than 1 bucket will use
+      // AlignedHistogramBucketExemplarReservoir.
       // https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/sdk.md#exemplar-defaults
       if (histogram_agg_config != nullptr && histogram_agg_config->boundaries_.size() > 1)
       {
         return nostd::shared_ptr<ExemplarReservoir>(new AlignedHistogramBucketExemplarReservoir(
             histogram_agg_config->boundaries_.size(),
-            AlignedHistogramBucketExemplarReservoir::GetHistogramCellSelector(histogram_agg_config->boundaries_),
+            AlignedHistogramBucketExemplarReservoir::GetHistogramCellSelector(
+                histogram_agg_config->boundaries_),
             GetMapAndResetCellMethod(instrument_descriptor)));
       }
     }
 
     return nostd::shared_ptr<ExemplarReservoir>(new SimpleFixedSizeExemplarReservoir(
-      SimpleFixedSizeExemplarReservoir::kDefaultSimpleReservoirSize,
-      SimpleFixedSizeExemplarReservoir::GetSimpleFixedSizeCellSelector(),
-      GetMapAndResetCellMethod(instrument_descriptor)));
+        SimpleFixedSizeExemplarReservoir::kDefaultSimpleReservoirSize,
+        SimpleFixedSizeExemplarReservoir::GetSimpleFixedSizeCellSelector(),
+        GetMapAndResetCellMethod(instrument_descriptor)));
   }
 
 #endif  // ENABLE_METRICS_EXEMPLAR_PREVIEW
-
 };
 }  // namespace metrics
 }  // namespace sdk
diff --git a/sdk/include/opentelemetry/sdk/metrics/meter_context.h b/sdk/include/opentelemetry/sdk/metrics/meter_context.h
index 92b4d84c31..dae0a214c0 100644
--- a/sdk/include/opentelemetry/sdk/metrics/meter_context.h
+++ b/sdk/include/opentelemetry/sdk/metrics/meter_context.h
@@ -14,7 +14,7 @@
 #include "opentelemetry/nostd/span.h"
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-#include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
+#  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
 #endif
 
 #include "opentelemetry/sdk/metrics/view/view_registry.h"
diff --git a/sdk/include/opentelemetry/sdk/metrics/meter_provider.h b/sdk/include/opentelemetry/sdk/metrics/meter_provider.h
index 4c85b46d1d..8aa8eae245 100644
--- a/sdk/include/opentelemetry/sdk/metrics/meter_provider.h
+++ b/sdk/include/opentelemetry/sdk/metrics/meter_provider.h
@@ -12,7 +12,7 @@
 #include "opentelemetry/nostd/string_view.h"
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-#include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
+#  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
 #endif
 
 #include "opentelemetry/sdk/metrics/view/view_registry.h"
diff --git a/sdk/include/opentelemetry/sdk/metrics/state/async_metric_storage.h b/sdk/include/opentelemetry/sdk/metrics/state/async_metric_storage.h
index 147bcff179..9b5d59507c 100644
--- a/sdk/include/opentelemetry/sdk/metrics/state/async_metric_storage.h
+++ b/sdk/include/opentelemetry/sdk/metrics/state/async_metric_storage.h
@@ -12,8 +12,8 @@
 #include "opentelemetry/sdk/metrics/aggregation/default_aggregation.h"
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-#include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
+#  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
 #endif
 
 #include "opentelemetry/sdk/metrics/instruments.h"
@@ -65,7 +65,7 @@ class AsyncMetricStorage : public MetricStorage, public AsyncWritableMetricStora
       if (exemplar_filter_type_ == ExemplarFilterType::kAlwaysOn)
       {
         exemplar_reservoir_->OfferMeasurement(measurement.second, {}, {},
-                                            std::chrono::system_clock::now());
+                                              std::chrono::system_clock::now());
       }
 #endif
 
diff --git a/sdk/include/opentelemetry/sdk/metrics/state/attributes_hashmap.h b/sdk/include/opentelemetry/sdk/metrics/state/attributes_hashmap.h
index 43c67cb804..a509080318 100644
--- a/sdk/include/opentelemetry/sdk/metrics/state/attributes_hashmap.h
+++ b/sdk/include/opentelemetry/sdk/metrics/state/attributes_hashmap.h
@@ -28,7 +28,7 @@ const std::string kAttributesLimitOverflowKey = "otel.metrics.overflow";
 const bool kAttributesLimitOverflowValue      = true;
 const size_t kOverflowAttributesHash          = opentelemetry::sdk::common::GetHashForAttributeMap(
     {{kAttributesLimitOverflowKey,
-      kAttributesLimitOverflowValue}});  // precalculated for optimization
+               kAttributesLimitOverflowValue}});  // precalculated for optimization
 
 class AttributeHashGenerator
 {
diff --git a/sdk/include/opentelemetry/sdk/metrics/state/sync_metric_storage.h b/sdk/include/opentelemetry/sdk/metrics/state/sync_metric_storage.h
index 81b3bc3f8a..dbce59fe3f 100644
--- a/sdk/include/opentelemetry/sdk/metrics/state/sync_metric_storage.h
+++ b/sdk/include/opentelemetry/sdk/metrics/state/sync_metric_storage.h
@@ -19,8 +19,8 @@
 #include "opentelemetry/sdk/metrics/aggregation/default_aggregation.h"
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-#include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
+#  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
 #endif
 
 #include "opentelemetry/sdk/metrics/state/attributes_hashmap.h"
@@ -38,15 +38,16 @@ namespace metrics
 class SyncMetricStorage : public MetricStorage, public SyncWritableMetricStorage
 {
 
-#ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW 
+#ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
 
-static inline bool EnableExamplarFilter(ExemplarFilterType filter_type, const opentelemetry::context::Context &context)
-{
-  return filter_type == ExemplarFilterType::kAlwaysOn || 
-         filter_type == ExemplarFilterType::kTraceBased &&
-           opentelemetry::trace::GetSpan(context)->GetContext().IsValid() &&
-           opentelemetry::trace::GetSpan(context)->GetContext().IsSampled();
-}
+  static inline bool EnableExamplarFilter(ExemplarFilterType filter_type,
+                                          const opentelemetry::context::Context &context)
+  {
+    return filter_type == ExemplarFilterType::kAlwaysOn ||
+           filter_type == ExemplarFilterType::kTraceBased &&
+               opentelemetry::trace::GetSpan(context)->GetContext().IsValid() &&
+               opentelemetry::trace::GetSpan(context)->GetContext().IsSampled();
+  }
 
 #endif  // ENABLE_METRICS_EXEMPLAR_PREVIEW
 
@@ -54,7 +55,7 @@ static inline bool EnableExamplarFilter(ExemplarFilterType filter_type, const op
   SyncMetricStorage(InstrumentDescriptor instrument_descriptor,
                     const AggregationType aggregation_type,
                     const AttributesProcessor *attributes_processor,
-#ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW                
+#ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
                     ExemplarFilterType exempler_filter_type,
                     nostd::shared_ptr<ExemplarReservoir> &&exemplar_reservoir,
 #endif
@@ -107,7 +108,8 @@ static inline bool EnableExamplarFilter(ExemplarFilterType filter_type, const op
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
     if (EnableExamplarFilter(exemplar_filter_type_, context))
     {
-      exemplar_reservoir_->OfferMeasurement(value, attributes, context, std::chrono::system_clock::now());
+      exemplar_reservoir_->OfferMeasurement(value, attributes, context,
+                                            std::chrono::system_clock::now());
     }
 #endif
     auto hash = opentelemetry::sdk::common::GetHashForAttributeMap(
diff --git a/sdk/src/metrics/exemplar/reservoir.cc b/sdk/src/metrics/exemplar/reservoir.cc
index ec3969e028..f62c01cc69 100644
--- a/sdk/src/metrics/exemplar/reservoir.cc
+++ b/sdk/src/metrics/exemplar/reservoir.cc
@@ -5,11 +5,11 @@
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
 
-#include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
-#include "opentelemetry/sdk/metrics/exemplar/simple_fixed_size_exemplar_reservoir.h"
-#include "opentelemetry/sdk/metrics/exemplar/aligned_histogram_bucket_exemplar_reservoir.h"
-#include "opentelemetry/sdk/metrics/exemplar/no_exemplar_reservoir.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir_cell.h"
+#  include "opentelemetry/sdk/metrics/exemplar/aligned_histogram_bucket_exemplar_reservoir.h"
+#  include "opentelemetry/sdk/metrics/exemplar/no_exemplar_reservoir.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir_cell.h"
+#  include "opentelemetry/sdk/metrics/exemplar/simple_fixed_size_exemplar_reservoir.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace sdk
@@ -31,8 +31,9 @@ nostd::shared_ptr<ExemplarReservoir> ExemplarReservoir::GetAlignedHistogramBucke
     std::shared_ptr<ReservoirCellSelector> reservoir_cell_selector,
     MapAndResetCellType map_and_reset_cell)
 {
-  return nostd::shared_ptr<ExemplarReservoir>{
-      new AlignedHistogramBucketExemplarReservoir{size, AlignedHistogramBucketExemplarReservoir::GetHistogramCellSelector(), map_and_reset_cell}};
+  return nostd::shared_ptr<ExemplarReservoir>{new AlignedHistogramBucketExemplarReservoir{
+      size, AlignedHistogramBucketExemplarReservoir::GetHistogramCellSelector(),
+      map_and_reset_cell}};
 }
 
 nostd::shared_ptr<ExemplarReservoir> ExemplarReservoir::GetNoExemplarReservoir()
diff --git a/sdk/src/metrics/meter.cc b/sdk/src/metrics/meter.cc
index 1c71102f32..587dd65f63 100644
--- a/sdk/src/metrics/meter.cc
+++ b/sdk/src/metrics/meter.cc
@@ -3,10 +3,10 @@
 
 #include <cstdint>
 
-#include "opentelemetry/sdk/metrics/meter.h"
 #include "opentelemetry/metrics/noop.h"
 #include "opentelemetry/nostd/shared_ptr.h"
 #include "opentelemetry/sdk/metrics/async_instruments.h"
+#include "opentelemetry/sdk/metrics/meter.h"
 #include "opentelemetry/sdk/metrics/state/multi_metric_storage.h"
 #include "opentelemetry/sdk/metrics/state/observable_registry.h"
 #include "opentelemetry/sdk/metrics/state/sync_metric_storage.h"
@@ -318,11 +318,13 @@ std::unique_ptr<SyncWritableMetricStorage> Meter::RegisterSyncMetricStorage(
 #endif
 
   auto success = view_registry->FindViews(
-      instrument_descriptor, *scope_, [this, &instrument_descriptor, &storages
+      instrument_descriptor, *scope_,
+      [this, &instrument_descriptor, &storages
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-      , exemplar_filter_type
+       ,
+       exemplar_filter_type
 #endif
-      ](const View &view) {
+  ](const View &view) {
         auto view_instr_desc = instrument_descriptor;
         if (!view.GetName().empty())
         {
@@ -338,7 +340,8 @@ std::unique_ptr<SyncWritableMetricStorage> Meter::RegisterSyncMetricStorage(
             view_instr_desc, view.GetAggregationType(), &view.GetAttributesProcessor(),
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
             exemplar_filter_type,
-            GetExemplarReservoir(view.GetAggregationType(), view.GetAggregationConfig(), instrument_descriptor),
+            GetExemplarReservoir(view.GetAggregationType(), view.GetAggregationConfig(),
+                                 instrument_descriptor),
 #endif
             view.GetAggregationConfig()));
         storage_registry_[instrument_descriptor.name_] = storage;
@@ -369,7 +372,7 @@ std::unique_ptr<AsyncWritableMetricStorage> Meter::RegisterAsyncMetricStorage(
   }
   auto view_registry = ctx->GetViewRegistry();
   std::unique_ptr<AsyncWritableMetricStorage> storages(new AsyncMultiMetricStorage());
-  
+
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
   auto exemplar_filter_type = ctx->GetExemplarFilter();
 #endif
@@ -378,9 +381,10 @@ std::unique_ptr<AsyncWritableMetricStorage> Meter::RegisterAsyncMetricStorage(
       instrument_descriptor, *GetInstrumentationScope(),
       [this, &instrument_descriptor, &storages
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-      , exemplar_filter_type
+       ,
+       exemplar_filter_type
 #endif
-      ](const View &view) {
+  ](const View &view) {
         auto view_instr_desc = instrument_descriptor;
         if (!view.GetName().empty())
         {
@@ -396,7 +400,7 @@ std::unique_ptr<AsyncWritableMetricStorage> Meter::RegisterAsyncMetricStorage(
             exemplar_filter_type,
             GetExemplarReservoir(view.GetAggregationType(), view.GetAggregationConfig(),
                                  instrument_descriptor),
-#endif                        
+#endif
             view.GetAggregationConfig()));
         storage_registry_[instrument_descriptor.name_] = storage;
         static_cast<AsyncMultiMetricStorage *>(storages.get())->AddStorage(storage);
diff --git a/sdk/src/metrics/meter_provider.cc b/sdk/src/metrics/meter_provider.cc
index 6dd4a6dad2..e075fac9aa 100644
--- a/sdk/src/metrics/meter_provider.cc
+++ b/sdk/src/metrics/meter_provider.cc
@@ -106,12 +106,10 @@ void MeterProvider::AddView(std::unique_ptr<InstrumentSelector> instrument_selec
                             std::unique_ptr<MeterSelector> meter_selector,
                             std::unique_ptr<View> view) noexcept
 {
-  context_->AddView(std::move(instrument_selector), std::move(meter_selector),
-                           std::move(view));
+  context_->AddView(std::move(instrument_selector), std::move(meter_selector), std::move(view));
 }
 
-void MeterProvider::SetExemplarFilter(
-    metrics::ExemplarFilterType exemplar_filter_type) noexcept
+void MeterProvider::SetExemplarFilter(metrics::ExemplarFilterType exemplar_filter_type) noexcept
 {
   context_->SetExemplarFilter(exemplar_filter_type);
 }
diff --git a/sdk/test/metrics/async_metric_storage_test.cc b/sdk/test/metrics/async_metric_storage_test.cc
index 4374af9415..b412d2b8e2 100644
--- a/sdk/test/metrics/async_metric_storage_test.cc
+++ b/sdk/test/metrics/async_metric_storage_test.cc
@@ -7,8 +7,8 @@
 #include "opentelemetry/sdk/metrics/async_instruments.h"
 
 #ifdef ENABLE_METRICS_PREVIEW
-#include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
+#  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
 #endif
 
 #include "opentelemetry/sdk/metrics/instruments.h"
@@ -62,9 +62,8 @@ TEST_P(WritableMetricStorageTestFixture, TestAggregation)
   opentelemetry::sdk::metrics::AsyncMetricStorage storage(
       instr_desc, AggregationType::kSum,
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-      ExemplarFilterType::kAlwaysOff,
-      ExemplarReservoir::GetNoExemplarReservoir(),
-#endif      
+      ExemplarFilterType::kAlwaysOff, ExemplarReservoir::GetNoExemplarReservoir(),
+#endif
       nullptr);
   int64_t get_count1                                                                  = 20;
   int64_t put_count1                                                                  = 10;
@@ -158,8 +157,7 @@ TEST_P(WritableMetricStorageTestUpDownFixture, TestAggregation)
   opentelemetry::sdk::metrics::AsyncMetricStorage storage(
       instr_desc, AggregationType::kDefault,
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-      ExemplarFilterType::kAlwaysOff,
-      ExemplarReservoir::GetNoExemplarReservoir(),
+      ExemplarFilterType::kAlwaysOff, ExemplarReservoir::GetNoExemplarReservoir(),
 #endif
       nullptr);
   int64_t get_count1                                                                  = 20;
@@ -253,8 +251,7 @@ TEST_P(WritableMetricStorageTestObservableGaugeFixture, TestAggregation)
   opentelemetry::sdk::metrics::AsyncMetricStorage storage(
       instr_desc, AggregationType::kLastValue,
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-      ExemplarFilterType::kAlwaysOff,
-      ExemplarReservoir::GetNoExemplarReservoir(),
+      ExemplarFilterType::kAlwaysOff, ExemplarReservoir::GetNoExemplarReservoir(),
 #endif
       nullptr);
   int64_t freq_cpu0                                                                   = 3;
diff --git a/sdk/test/metrics/cardinality_limit_test.cc b/sdk/test/metrics/cardinality_limit_test.cc
index 3633a8d40e..8c2edb4b0c 100644
--- a/sdk/test/metrics/cardinality_limit_test.cc
+++ b/sdk/test/metrics/cardinality_limit_test.cc
@@ -5,7 +5,7 @@
 #include "opentelemetry/common/key_value_iterable_view.h"
 #include "opentelemetry/sdk/metrics/aggregation/sum_aggregation.h"
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-#include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
+#  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
 #endif
 #include "opentelemetry/sdk/metrics/instruments.h"
 #include "opentelemetry/sdk/metrics/state/attributes_hashmap.h"
diff --git a/sdk/test/metrics/exemplar/histogram_exemplar_reservoir_test.cc b/sdk/test/metrics/exemplar/histogram_exemplar_reservoir_test.cc
index 884768c4eb..41a6204d24 100644
--- a/sdk/test/metrics/exemplar/histogram_exemplar_reservoir_test.cc
+++ b/sdk/test/metrics/exemplar/histogram_exemplar_reservoir_test.cc
@@ -3,10 +3,10 @@
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
 
-#include <vector>
+#  include <vector>
 
-#include "opentelemetry/sdk/metrics/exemplar/histogram_exemplar_reservoir.h"
-#include <gtest/gtest.h>
+#  include <gtest/gtest.h>
+#  include "opentelemetry/sdk/metrics/exemplar/histogram_exemplar_reservoir.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace sdk
diff --git a/sdk/test/metrics/sync_metric_storage_counter_test.cc b/sdk/test/metrics/sync_metric_storage_counter_test.cc
index cbceb376ce..c3a61f710b 100644
--- a/sdk/test/metrics/sync_metric_storage_counter_test.cc
+++ b/sdk/test/metrics/sync_metric_storage_counter_test.cc
@@ -8,8 +8,8 @@
 #include "opentelemetry/nostd/shared_ptr.h"
 
 #if ENABLE_METRICS_EXEMPLAR_PREVIEW
-#include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
+#  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
 #endif
 
 #include "opentelemetry/sdk/metrics/instruments.h"
@@ -34,7 +34,7 @@ TEST_P(WritableMetricStorageTestFixture, LongCounterSumAggregation)
   int64_t expected_total_get_requests = 0;
   int64_t expected_total_put_requests = 0;
   InstrumentDescriptor instr_desc     = {"name", "desc", "1unit", InstrumentType::kCounter,
-                                     InstrumentValueType::kLong};
+                                         InstrumentValueType::kLong};
   std::map<std::string, std::string> attributes_get = {{"RequestType", "GET"}};
   std::map<std::string, std::string> attributes_put = {{"RequestType", "PUT"}};
 
@@ -43,8 +43,7 @@ TEST_P(WritableMetricStorageTestFixture, LongCounterSumAggregation)
   opentelemetry::sdk::metrics::SyncMetricStorage storage(
       instr_desc, AggregationType::kSum, default_attributes_processor.get(),
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-      ExemplarFilterType::kAlwaysOff,
-      ExemplarReservoir::GetNoExemplarReservoir(),
+      ExemplarFilterType::kAlwaysOff, ExemplarReservoir::GetNoExemplarReservoir(),
 #endif
       nullptr);
 
@@ -175,7 +174,7 @@ TEST_P(WritableMetricStorageTestFixture, DoubleCounterSumAggregation)
   double expected_total_get_requests = 0;
   double expected_total_put_requests = 0;
   InstrumentDescriptor instr_desc    = {"name", "desc", "1unit", InstrumentType::kCounter,
-                                     InstrumentValueType::kDouble};
+                                        InstrumentValueType::kDouble};
   std::map<std::string, std::string> attributes_get = {{"RequestType", "GET"}};
   std::map<std::string, std::string> attributes_put = {{"RequestType", "PUT"}};
 
@@ -184,8 +183,7 @@ TEST_P(WritableMetricStorageTestFixture, DoubleCounterSumAggregation)
   opentelemetry::sdk::metrics::SyncMetricStorage storage(
       instr_desc, AggregationType::kSum, default_attributes_processor.get(),
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-      ExemplarFilterType::kAlwaysOff,
-      ExemplarReservoir::GetNoExemplarReservoir(),
+      ExemplarFilterType::kAlwaysOff, ExemplarReservoir::GetNoExemplarReservoir(),
 #endif
       nullptr);
 
diff --git a/sdk/test/metrics/sync_metric_storage_histogram_test.cc b/sdk/test/metrics/sync_metric_storage_histogram_test.cc
index e859b73513..6063cdf89b 100644
--- a/sdk/test/metrics/sync_metric_storage_histogram_test.cc
+++ b/sdk/test/metrics/sync_metric_storage_histogram_test.cc
@@ -7,8 +7,8 @@
 #include "opentelemetry/nostd/shared_ptr.h"
 
 #ifdef ENABLE_METRICS_PREVIEW
-#include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
-#include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
+#  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
+#  include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
 #endif
 
 #include "opentelemetry/sdk/metrics/instruments.h"
@@ -35,7 +35,7 @@ TEST_P(WritableMetricStorageHistogramTestFixture, LongHistogram)
   int64_t expected_total_get_requests = 0;
   int64_t expected_total_put_requests = 0;
   InstrumentDescriptor instr_desc     = {"name", "desc", "1unit", InstrumentType::kHistogram,
-                                     InstrumentValueType::kLong};
+                                         InstrumentValueType::kLong};
   std::map<std::string, std::string> attributes_get = {{"RequestType", "GET"}};
   std::map<std::string, std::string> attributes_put = {{"RequestType", "PUT"}};
 
@@ -44,8 +44,7 @@ TEST_P(WritableMetricStorageHistogramTestFixture, LongHistogram)
   opentelemetry::sdk::metrics::SyncMetricStorage storage(
       instr_desc, AggregationType::kHistogram, default_attributes_processor.get(),
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-      ExemplarFilterType::kAlwaysOff,
-      ExemplarReservoir::GetNoExemplarReservoir(),
+      ExemplarFilterType::kAlwaysOff, ExemplarReservoir::GetNoExemplarReservoir(),
 #endif
       nullptr);
 
@@ -177,7 +176,7 @@ TEST_P(WritableMetricStorageHistogramTestFixture, DoubleHistogram)
   double expected_total_get_requests = 0;
   double expected_total_put_requests = 0;
   InstrumentDescriptor instr_desc    = {"name", "desc", "1unit", InstrumentType::kHistogram,
-                                     InstrumentValueType::kDouble};
+                                        InstrumentValueType::kDouble};
   std::map<std::string, std::string> attributes_get = {{"RequestType", "GET"}};
   std::map<std::string, std::string> attributes_put = {{"RequestType", "PUT"}};
 
@@ -186,8 +185,7 @@ TEST_P(WritableMetricStorageHistogramTestFixture, DoubleHistogram)
   opentelemetry::sdk::metrics::SyncMetricStorage storage(
       instr_desc, AggregationType::kHistogram, default_attributes_processor.get(),
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-      ExemplarFilterType::kAlwaysOff,
-      ExemplarReservoir::GetNoExemplarReservoir(),
+      ExemplarFilterType::kAlwaysOff, ExemplarReservoir::GetNoExemplarReservoir(),
 #endif
       nullptr);
 
diff --git a/sdk/test/metrics/sync_metric_storage_up_down_counter_test.cc b/sdk/test/metrics/sync_metric_storage_up_down_counter_test.cc
index b04288bcbc..216574a587 100644
--- a/sdk/test/metrics/sync_metric_storage_up_down_counter_test.cc
+++ b/sdk/test/metrics/sync_metric_storage_up_down_counter_test.cc
@@ -7,7 +7,7 @@
 #include "opentelemetry/nostd/shared_ptr.h"
 
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-#include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
+#  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
 #endif
 
 #include "opentelemetry/sdk/metrics/instruments.h"
@@ -42,8 +42,7 @@ TEST_P(WritableMetricStorageTestFixture, LongUpDownCounterSumAggregation)
   opentelemetry::sdk::metrics::SyncMetricStorage storage(
       instr_desc, AggregationType::kSum, default_attributes_processor.get(),
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-      ExemplarFilterType::kAlwaysOff,
-      ExemplarReservoir::GetNoExemplarReservoir(),
+      ExemplarFilterType::kAlwaysOff, ExemplarReservoir::GetNoExemplarReservoir(),
 #endif
       nullptr);
 
@@ -193,8 +192,7 @@ TEST_P(WritableMetricStorageTestFixture, DoubleUpDownCounterSumAggregation)
   opentelemetry::sdk::metrics::SyncMetricStorage storage(
       instr_desc, AggregationType::kSum, default_attributes_processor.get(),
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
-      ExemplarFilterType::kAlwaysOff,
-      ExemplarReservoir::GetNoExemplarReservoir(),
+      ExemplarFilterType::kAlwaysOff, ExemplarReservoir::GetNoExemplarReservoir(),
 #endif
       nullptr);