// -*- mode: C++ -*-

// AUTOGENERATED BY glean_parser.  DO NOT EDIT.

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "mozilla/glean/bindings/GleanJSMetricsLookup.h"

#include "mozilla/PerfectHash.h"
#include "mozilla/Maybe.h"
#include "mozilla/glean/bindings/MetricTypes.h"
#include "mozilla/glean/fog_ffi_generated.h"
#include "nsString.h"

#define GLEAN_INDEX_BITS (32)
#define GLEAN_TYPE_BITS (5)
#define GLEAN_ID_BITS (27)
#define GLEAN_TYPE_ID(id) ((id) >> GLEAN_ID_BITS)
#define GLEAN_METRIC_ID(id) ((id) & ((1ULL << GLEAN_ID_BITS) - 1))
#define GLEAN_OFFSET(entry) (entry & ((1ULL << GLEAN_INDEX_BITS) - 1))

namespace mozilla::glean {

// The category lookup table's entry type
using category_entry_t = uint32_t;
// The metric lookup table's entry type
// This is a bitpacked type with 32 bits available to index into
// the string table, 5 bits available to signify the metric type,
// and the remaining 27 bits devoted to 2 "signal"
// bits to signify important characteristics (metric's a labeled metric's
// submetric, metric's been registered at runtime) and 25 bits
// for built-in metric ids.
// Gives room for 33554432 of each combination of
// characteristics (which hopefully will prove to be enough).
using metric_entry_t = uint64_t;

static_assert(GLEAN_INDEX_BITS + GLEAN_TYPE_BITS + GLEAN_ID_BITS == sizeof(metric_entry_t) * 8, "Index, Type, and ID bits need to fit into a metric_entry_t");
static_assert(GLEAN_TYPE_BITS + GLEAN_ID_BITS <= sizeof(uint32_t) * 8, "Metric Types and IDs need to fit into at most 32 bits");
static_assert(4 < UINT32_MAX, "Too many metric categories generated.");
static_assert(57 < 33554432, "Too many metrics generated. Need room for 2 signal bits.");
static_assert(21 < 32, "Too many different metric types.");

already_AddRefed<GleanMetric> NewMetricFromId(uint32_t id, nsISupports* aParent) {
  uint32_t typeId = GLEAN_TYPE_ID(id);
  uint32_t metricId = GLEAN_METRIC_ID(id);

  switch (typeId) {
    case 1: /* boolean */
    {
      return MakeAndAddRef<GleanBoolean>(metricId, aParent);
    }
    case 2: /* counter */
    {
      return MakeAndAddRef<GleanCounter>(metricId, aParent);
    }
    case 3: /* custom_distribution */
    {
      return MakeAndAddRef<GleanCustomDistribution>(metricId, aParent);
    }
    case 4: /* labeled_boolean */
    {
      return MakeAndAddRef<GleanLabeled>(metricId, 4, aParent);
    }
    case 5: /* labeled_counter */
    {
      return MakeAndAddRef<GleanLabeled>(metricId, 5, aParent);
    }
    case 6: /* labeled_string */
    {
      return MakeAndAddRef<GleanLabeled>(metricId, 6, aParent);
    }
    case 7: /* memory_distribution */
    {
      return MakeAndAddRef<GleanMemoryDistribution>(metricId, aParent);
    }
    case 8: /* string_list */
    {
      return MakeAndAddRef<GleanStringList>(metricId, aParent);
    }
    case 9: /* string */
    {
      return MakeAndAddRef<GleanString>(metricId, aParent);
    }
    case 10: /* text */
    {
      return MakeAndAddRef<GleanText>(metricId, aParent);
    }
    case 11: /* timespan */
    {
      return MakeAndAddRef<GleanTimespan>(metricId, aParent);
    }
    case 12: /* timing_distribution */
    {
      return MakeAndAddRef<GleanTimingDistribution>(metricId, aParent);
    }
    case 13: /* dual_labeled_counter */
    {
      return MakeAndAddRef<GleanDualLabeledCounter>(metricId, aParent);
    }
    case 14: /* object */
    {
      return MakeAndAddRef<GleanObject>(metricId, aParent);
    }
    case 15: /* datetime */
    {
      return MakeAndAddRef<GleanDatetime>(metricId, aParent);
    }
    case 16: /* event */
    {
      return MakeAndAddRef<GleanEvent>(metricId, aParent);
    }
    case 17: /* denominator */
    {
      return MakeAndAddRef<GleanDenominator>(metricId, aParent);
    }
    case 18: /* quantity */
    {
      return MakeAndAddRef<GleanQuantity>(metricId, aParent);
    }
    case 19: /* rate */
    {
      return MakeAndAddRef<GleanRate>(metricId, aParent);
    }
    case 20: /* numerator */
    {
      return MakeAndAddRef<GleanNumerator>(metricId, aParent);
    }
    case 21: /* uuid */
    {
      return MakeAndAddRef<GleanUuid>(metricId, aParent);
    }
    default:
    MOZ_ASSERT_UNREACHABLE("Invalid type ID reached when trying to instantiate a new metric");
    return nullptr;
  }
}

/**
 * Create a submetric instance for a labeled metric of the provided type and id for the given label.
 * Assigns or retrieves an id for the submetric from the SDK.
 *
 * @param aParentTypeId - The type of the parent labeled metric identified as a number generated during codegen.
 *                        Only used to identify which X of LabeledX you are so that X can be created here.
 * @param aParentMetricId - The metric id for the parent labeled metric.
 * @param aLabel - The label for the submetric. Might not adhere to the SDK label format.
 * @param aSubmetricId - an outparam which is assigned the submetric's SDK-generated submetric id.
 *                       Used only by GIFFT.
 */
already_AddRefed<GleanMetric> NewSubMetricFromIds(uint32_t aParentTypeId,
                                           uint32_t aParentMetricId,
                                           const nsACString& aLabel,
                                           uint32_t* aSubmetricId,
                                           nsISupports* aParent) {
  switch (aParentTypeId) {
    case 4: { /* labeled_boolean */
      auto id = impl::fog_labeled_boolean_get(aParentMetricId, &aLabel);
      *aSubmetricId = id;
      return MakeAndAddRef<GleanBoolean>(id, aParent);
    }
    case 5: { /* labeled_counter */
      auto id = impl::fog_labeled_counter_get(aParentMetricId, &aLabel);
      *aSubmetricId = id;
      return MakeAndAddRef<GleanCounter>(id, aParent);
    }
    case 6: { /* labeled_string */
      auto id = impl::fog_labeled_string_get(aParentMetricId, &aLabel);
      *aSubmetricId = id;
      return MakeAndAddRef<GleanString>(id, aParent);
    }
    default: {
      MOZ_ASSERT_UNREACHABLE("Invalid type ID for submetric.");
      return nullptr;
    }
  }
}

static Maybe<uint32_t> category_result_check(const nsACString& aKey, category_entry_t entry);
static Maybe<uint32_t> metric_result_check(const nsACString& aKey, metric_entry_t entry);

#if defined(_MSC_VER) && !defined(__clang__)
const char gCategoryStringTable[] = {
#else
constexpr char gCategoryStringTable[] = {
#endif
  /*     0 - "test" */ 't', 'e', 's', 't', '\0',
  /*     5 - "testNested" */ 't', 'e', 's', 't', 'N', 'e', 's', 't', 'e', 'd', '\0',
  /*    16 - "test2" */ 't', 'e', 's', 't', '2', '\0',
  /*    22 - "test2Nested" */ 't', 'e', 's', 't', '2', 'N', 'e', 's', 't', 'e', 'd', '\0',
};


static_assert(sizeof(gCategoryStringTable) < UINT32_MAX, "Category string table is too large.");

const category_entry_t sCategoryByNameLookupEntries[] = {
  16ul,
  0ul,
  22ul,
  5ul
};



Maybe<uint32_t>
CategoryByNameLookup(const nsACString& aKey)
{
  static const uint8_t BASES[] = {
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   2,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   4,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
  };
  

  const char* bytes = aKey.BeginReading();
  size_t length = aKey.Length();
  auto& entry = mozilla::perfecthash::Lookup(bytes, length, BASES,
                                             sCategoryByNameLookupEntries);
  return category_result_check(aKey, entry);
}


#if defined(_MSC_VER) && !defined(__clang__)
const char gMetricStringTable[] = {
#else
constexpr char gMetricStringTable[] = {
#endif
  /*     0 - "test.booleanMetric" */ 't', 'e', 's', 't', '.', 'b', 'o', 'o', 'l', 'e', 'a', 'n', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*    19 - "test.counterMetric" */ 't', 'e', 's', 't', '.', 'c', 'o', 'u', 'n', 't', 'e', 'r', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*    38 - "test.customDistributionMetric" */ 't', 'e', 's', 't', '.', 'c', 'u', 's', 't', 'o', 'm', 'D', 'i', 's', 't', 'r', 'i', 'b', 'u', 't', 'i', 'o', 'n', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*    68 - "test.labeledBooleanMetric" */ 't', 'e', 's', 't', '.', 'l', 'a', 'b', 'e', 'l', 'e', 'd', 'B', 'o', 'o', 'l', 'e', 'a', 'n', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*    94 - "test.labeledBooleanMetricLabels" */ 't', 'e', 's', 't', '.', 'l', 'a', 'b', 'e', 'l', 'e', 'd', 'B', 'o', 'o', 'l', 'e', 'a', 'n', 'M', 'e', 't', 'r', 'i', 'c', 'L', 'a', 'b', 'e', 'l', 's', '\0',
  /*   126 - "test.labeledCounterMetric" */ 't', 'e', 's', 't', '.', 'l', 'a', 'b', 'e', 'l', 'e', 'd', 'C', 'o', 'u', 'n', 't', 'e', 'r', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   152 - "test.labeledCounterMetricLabels" */ 't', 'e', 's', 't', '.', 'l', 'a', 'b', 'e', 'l', 'e', 'd', 'C', 'o', 'u', 'n', 't', 'e', 'r', 'M', 'e', 't', 'r', 'i', 'c', 'L', 'a', 'b', 'e', 'l', 's', '\0',
  /*   184 - "test.labeledStringMetric" */ 't', 'e', 's', 't', '.', 'l', 'a', 'b', 'e', 'l', 'e', 'd', 'S', 't', 'r', 'i', 'n', 'g', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   209 - "test.labeledStringMetricLabels" */ 't', 'e', 's', 't', '.', 'l', 'a', 'b', 'e', 'l', 'e', 'd', 'S', 't', 'r', 'i', 'n', 'g', 'M', 'e', 't', 'r', 'i', 'c', 'L', 'a', 'b', 'e', 'l', 's', '\0',
  /*   240 - "test.memoryDistributionMetric" */ 't', 'e', 's', 't', '.', 'm', 'e', 'm', 'o', 'r', 'y', 'D', 'i', 's', 't', 'r', 'i', 'b', 'u', 't', 'i', 'o', 'n', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   270 - "test.stringListMetric" */ 't', 'e', 's', 't', '.', 's', 't', 'r', 'i', 'n', 'g', 'L', 'i', 's', 't', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   292 - "test.stringMetric" */ 't', 'e', 's', 't', '.', 's', 't', 'r', 'i', 'n', 'g', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   310 - "test.textMetric" */ 't', 'e', 's', 't', '.', 't', 'e', 'x', 't', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   326 - "test.timespanMetric" */ 't', 'e', 's', 't', '.', 't', 'i', 'm', 'e', 's', 'p', 'a', 'n', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   346 - "test.timingDistributionMetric" */ 't', 'e', 's', 't', '.', 't', 'i', 'm', 'i', 'n', 'g', 'D', 'i', 's', 't', 'r', 'i', 'b', 'u', 't', 'i', 'o', 'n', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   376 - "test.unorderedBooleanMetric" */ 't', 'e', 's', 't', '.', 'u', 'n', 'o', 'r', 'd', 'e', 'r', 'e', 'd', 'B', 'o', 'o', 'l', 'e', 'a', 'n', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   404 - "test.unorderedLabeledBooleanMetric" */ 't', 'e', 's', 't', '.', 'u', 'n', 'o', 'r', 'd', 'e', 'r', 'e', 'd', 'L', 'a', 'b', 'e', 'l', 'e', 'd', 'B', 'o', 'o', 'l', 'e', 'a', 'n', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   439 - "testNested.aDualLabeledCounter" */ 't', 'e', 's', 't', 'N', 'e', 's', 't', 'e', 'd', '.', 'a', 'D', 'u', 'a', 'l', 'L', 'a', 'b', 'e', 'l', 'e', 'd', 'C', 'o', 'u', 'n', 't', 'e', 'r', '\0',
  /*   470 - "testNested.anObject" */ 't', 'e', 's', 't', 'N', 'e', 's', 't', 'e', 'd', '.', 'a', 'n', 'O', 'b', 'j', 'e', 'c', 't', '\0',
  /*   490 - "testNested.datetimeMetric" */ 't', 'e', 's', 't', 'N', 'e', 's', 't', 'e', 'd', '.', 'd', 'a', 't', 'e', 't', 'i', 'm', 'e', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   516 - "testNested.eventMetric" */ 't', 'e', 's', 't', 'N', 'e', 's', 't', 'e', 'd', '.', 'e', 'v', 'e', 'n', 't', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   539 - "testNested.eventMetricWithExtra" */ 't', 'e', 's', 't', 'N', 'e', 's', 't', 'e', 'd', '.', 'e', 'v', 'e', 'n', 't', 'M', 'e', 't', 'r', 'i', 'c', 'W', 'i', 't', 'h', 'E', 'x', 't', 'r', 'a', '\0',
  /*   571 - "testNested.externalDenominator" */ 't', 'e', 's', 't', 'N', 'e', 's', 't', 'e', 'd', '.', 'e', 'x', 't', 'e', 'r', 'n', 'a', 'l', 'D', 'e', 'n', 'o', 'm', 'i', 'n', 'a', 't', 'o', 'r', '\0',
  /*   602 - "testNested.optimizableCounterMetric" */ 't', 'e', 's', 't', 'N', 'e', 's', 't', 'e', 'd', '.', 'o', 'p', 't', 'i', 'm', 'i', 'z', 'a', 'b', 'l', 'e', 'C', 'o', 'u', 'n', 't', 'e', 'r', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   638 - "testNested.optimizableDisabledCounterMetric" */ 't', 'e', 's', 't', 'N', 'e', 's', 't', 'e', 'd', '.', 'o', 'p', 't', 'i', 'm', 'i', 'z', 'a', 'b', 'l', 'e', 'D', 'i', 's', 'a', 'b', 'l', 'e', 'd', 'C', 'o', 'u', 'n', 't', 'e', 'r', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   682 - "testNested.quantityMetric" */ 't', 'e', 's', 't', 'N', 'e', 's', 't', 'e', 'd', '.', 'q', 'u', 'a', 'n', 't', 'i', 't', 'y', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   708 - "testNested.rateMetric" */ 't', 'e', 's', 't', 'N', 'e', 's', 't', 'e', 'd', '.', 'r', 'a', 't', 'e', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   730 - "testNested.rateWithExternalDenominator" */ 't', 'e', 's', 't', 'N', 'e', 's', 't', 'e', 'd', '.', 'r', 'a', 't', 'e', 'W', 'i', 't', 'h', 'E', 'x', 't', 'e', 'r', 'n', 'a', 'l', 'D', 'e', 'n', 'o', 'm', 'i', 'n', 'a', 't', 'o', 'r', '\0',
  /*   769 - "testNested.uuidMetric" */ 't', 'e', 's', 't', 'N', 'e', 's', 't', 'e', 'd', '.', 'u', 'u', 'i', 'd', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   791 - "test2.booleanMetric" */ 't', 'e', 's', 't', '2', '.', 'b', 'o', 'o', 'l', 'e', 'a', 'n', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   811 - "test2.counterMetric" */ 't', 'e', 's', 't', '2', '.', 'c', 'o', 'u', 'n', 't', 'e', 'r', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   831 - "test2.customDistributionMetric" */ 't', 'e', 's', 't', '2', '.', 'c', 'u', 's', 't', 'o', 'm', 'D', 'i', 's', 't', 'r', 'i', 'b', 'u', 't', 'i', 'o', 'n', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   862 - "test2.labeledBooleanMetric" */ 't', 'e', 's', 't', '2', '.', 'l', 'a', 'b', 'e', 'l', 'e', 'd', 'B', 'o', 'o', 'l', 'e', 'a', 'n', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   889 - "test2.labeledBooleanMetricLabels" */ 't', 'e', 's', 't', '2', '.', 'l', 'a', 'b', 'e', 'l', 'e', 'd', 'B', 'o', 'o', 'l', 'e', 'a', 'n', 'M', 'e', 't', 'r', 'i', 'c', 'L', 'a', 'b', 'e', 'l', 's', '\0',
  /*   922 - "test2.labeledCounterMetric" */ 't', 'e', 's', 't', '2', '.', 'l', 'a', 'b', 'e', 'l', 'e', 'd', 'C', 'o', 'u', 'n', 't', 'e', 'r', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*   949 - "test2.labeledCounterMetricLabels" */ 't', 'e', 's', 't', '2', '.', 'l', 'a', 'b', 'e', 'l', 'e', 'd', 'C', 'o', 'u', 'n', 't', 'e', 'r', 'M', 'e', 't', 'r', 'i', 'c', 'L', 'a', 'b', 'e', 'l', 's', '\0',
  /*   982 - "test2.labeledStringMetric" */ 't', 'e', 's', 't', '2', '.', 'l', 'a', 'b', 'e', 'l', 'e', 'd', 'S', 't', 'r', 'i', 'n', 'g', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*  1008 - "test2.labeledStringMetricLabels" */ 't', 'e', 's', 't', '2', '.', 'l', 'a', 'b', 'e', 'l', 'e', 'd', 'S', 't', 'r', 'i', 'n', 'g', 'M', 'e', 't', 'r', 'i', 'c', 'L', 'a', 'b', 'e', 'l', 's', '\0',
  /*  1040 - "test2.memoryDistributionMetric" */ 't', 'e', 's', 't', '2', '.', 'm', 'e', 'm', 'o', 'r', 'y', 'D', 'i', 's', 't', 'r', 'i', 'b', 'u', 't', 'i', 'o', 'n', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*  1071 - "test2.stringListMetric" */ 't', 'e', 's', 't', '2', '.', 's', 't', 'r', 'i', 'n', 'g', 'L', 'i', 's', 't', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*  1094 - "test2.stringMetric" */ 't', 'e', 's', 't', '2', '.', 's', 't', 'r', 'i', 'n', 'g', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*  1113 - "test2.textMetric" */ 't', 'e', 's', 't', '2', '.', 't', 'e', 'x', 't', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*  1130 - "test2.timespanMetric" */ 't', 'e', 's', 't', '2', '.', 't', 'i', 'm', 'e', 's', 'p', 'a', 'n', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*  1151 - "test2.timingDistributionMetric" */ 't', 'e', 's', 't', '2', '.', 't', 'i', 'm', 'i', 'n', 'g', 'D', 'i', 's', 't', 'r', 'i', 'b', 'u', 't', 'i', 'o', 'n', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*  1182 - "test2.unorderedBooleanMetric" */ 't', 'e', 's', 't', '2', '.', 'u', 'n', 'o', 'r', 'd', 'e', 'r', 'e', 'd', 'B', 'o', 'o', 'l', 'e', 'a', 'n', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*  1211 - "test2.unorderedLabeledBooleanMetric" */ 't', 'e', 's', 't', '2', '.', 'u', 'n', 'o', 'r', 'd', 'e', 'r', 'e', 'd', 'L', 'a', 'b', 'e', 'l', 'e', 'd', 'B', 'o', 'o', 'l', 'e', 'a', 'n', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*  1247 - "test2Nested.anObject" */ 't', 'e', 's', 't', '2', 'N', 'e', 's', 't', 'e', 'd', '.', 'a', 'n', 'O', 'b', 'j', 'e', 'c', 't', '\0',
  /*  1268 - "test2Nested.datetimeMetric" */ 't', 'e', 's', 't', '2', 'N', 'e', 's', 't', 'e', 'd', '.', 'd', 'a', 't', 'e', 't', 'i', 'm', 'e', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*  1295 - "test2Nested.eventMetric" */ 't', 'e', 's', 't', '2', 'N', 'e', 's', 't', 'e', 'd', '.', 'e', 'v', 'e', 'n', 't', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*  1319 - "test2Nested.eventMetricWithExtra" */ 't', 'e', 's', 't', '2', 'N', 'e', 's', 't', 'e', 'd', '.', 'e', 'v', 'e', 'n', 't', 'M', 'e', 't', 'r', 'i', 'c', 'W', 'i', 't', 'h', 'E', 'x', 't', 'r', 'a', '\0',
  /*  1352 - "test2Nested.externalDenominator" */ 't', 'e', 's', 't', '2', 'N', 'e', 's', 't', 'e', 'd', '.', 'e', 'x', 't', 'e', 'r', 'n', 'a', 'l', 'D', 'e', 'n', 'o', 'm', 'i', 'n', 'a', 't', 'o', 'r', '\0',
  /*  1384 - "test2Nested.optimizableCounterMetric" */ 't', 'e', 's', 't', '2', 'N', 'e', 's', 't', 'e', 'd', '.', 'o', 'p', 't', 'i', 'm', 'i', 'z', 'a', 'b', 'l', 'e', 'C', 'o', 'u', 'n', 't', 'e', 'r', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*  1421 - "test2Nested.optimizableDisabledCounterMetric" */ 't', 'e', 's', 't', '2', 'N', 'e', 's', 't', 'e', 'd', '.', 'o', 'p', 't', 'i', 'm', 'i', 'z', 'a', 'b', 'l', 'e', 'D', 'i', 's', 'a', 'b', 'l', 'e', 'd', 'C', 'o', 'u', 'n', 't', 'e', 'r', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*  1466 - "test2Nested.quantityMetric" */ 't', 'e', 's', 't', '2', 'N', 'e', 's', 't', 'e', 'd', '.', 'q', 'u', 'a', 'n', 't', 'i', 't', 'y', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*  1493 - "test2Nested.rateMetric" */ 't', 'e', 's', 't', '2', 'N', 'e', 's', 't', 'e', 'd', '.', 'r', 'a', 't', 'e', 'M', 'e', 't', 'r', 'i', 'c', '\0',
  /*  1516 - "test2Nested.rateWithExternalDenominator" */ 't', 'e', 's', 't', '2', 'N', 'e', 's', 't', 'e', 'd', '.', 'r', 'a', 't', 'e', 'W', 'i', 't', 'h', 'E', 'x', 't', 'e', 'r', 'n', 'a', 'l', 'D', 'e', 'n', 'o', 'm', 'i', 'n', 'a', 't', 'o', 'r', '\0',
  /*  1556 - "test2Nested.uuidMetric" */ 't', 'e', 's', 't', '2', 'N', 'e', 's', 't', 'e', 'd', '.', 'u', 'u', 'i', 'd', 'M', 'e', 't', 'r', 'i', 'c', '\0',
};


static_assert(sizeof(gMetricStringTable) < 4294967296, "Metric string table is too large.");

const metric_entry_t sMetricByNameLookupEntries[] = {
  1152921611981030014ull,
  3458764672734331862ull,
  8646911490709783796ull,
  5764607578868810038ull,
  10376293653130773162ull,
  2305843030688530526ull,
  11529215166327554778ull,
  2882303911840973722ull,
  8646911370450698730ull,
  576460756598390784ull,
  12105676043185030676ull,
  1729382269795172390ull,
  3458764677029299184ull,
  5764607703422862425ull,
  5188146946824471622ull,
  8070450734111392991ull,
  2305843150947615582ull,
  576460881152443159ull,
  2305843026393563204ull,
  1152921732240115085ull,
  8070450613852307926ull,
  9223372247308174607ull,
  1729382394349224767ull,
  4611686190226080815ull,
  10376293773389858234ull,
  5188146822270419236ull,
  2305843082228138388ull,
  10952754529988249045ull,
  10952754409729163972ull,
  12105675922925945601ull,
  2882303787286921342ull,
  4035225309073637616ull,
  576460945576952990ull,
  11529215286586639852ull,
  2305843155242582905ull,
  2882303916135941045ull,
  6341068335467200838ull,
  1152921723650180424ull,
  576460821022900600ull,
  6341068460021253226ull,
  9223372251603141927ull,
  4611686065672028430ull,
  3458764552475246801ull,
  9799832887942447675ull,
  1152921513196781587ull,
  6917529216619644031ull,
  1152921607686062682ull,
  4035225433627690000ull,
  2305843206782190779ull,
  6917529092065591642ull,
  1152921727945147752ull,
  9223372131344056859ull,
  3458764548180279480ull,
  9223372127049089540ull,
  1152921637750833963ull,
  7493989857253917111ull,
  2882303791581888664ull
};



Maybe<uint32_t>
MetricByNameLookup(const nsACString& aKey)
{
  static const uint8_t BASES[] = {
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   1,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
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       0,   0,   0,   0,   0,   2,   0,   0,   5,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   6,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   9,   0,   0,   0,
       0,   0,   0,   4,   0,   1,   0,  10,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,  33,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   6,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
      34,   0,  14,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,  17,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
  };
  

  const char* bytes = aKey.BeginReading();
  size_t length = aKey.Length();
  auto& entry = mozilla::perfecthash::Lookup(bytes, length, BASES,
                                             sMetricByNameLookupEntries);
  return metric_result_check(aKey, entry);
}


/**
 * Get a category's name from the string table.
 */
const char* GetCategoryName(category_entry_t entry) {
  MOZ_ASSERT(entry < sizeof(gCategoryStringTable), "Entry identifier offset larger than string table");
  return &gCategoryStringTable[entry];
}

/**
 * Get a metric's identifier from the string table.
 */
const char* GetMetricIdentifier(metric_entry_t entry) {
  uint32_t offset = GLEAN_OFFSET(entry);
  MOZ_ASSERT(offset < sizeof(gMetricStringTable), "Entry identifier offset larger than string table");
  return &gMetricStringTable[offset];
}

// WARNING: This WILL break if the definition of a `metric_entry_t` changes.
// This needs to be updated whenever the lookup macros in
// GleanJSMetricsLookup.cpp change (i.e. at the top of this file).
//
// Looking up a metric name involved indexing into the `gMetricStringTable` with
// a valid `metric_entry_t` index. A metric_id (32-bit int) is contained as a
// subset of the bits within a `metric_entry_t`, so we enumerate over the list
// of possible indicies, given in `sMetricNameByLookupEntries`. This is a little
// brittle, as how a `metric_entry_t` encodes a metric_id is an implementation
// detail that we shouldn't heavily rely on. However, if profiles start failing,
// or giving nonsensical names, it's probably this relationship that needs to be
// fixed.
/**
 * Look up the string identifier of a metric by its 32-bit id.
 * Returns nullptr if we couldn't find a matching identifier for the id.
 */
extern "C" const char* FOG_GetMetricIdentifier(
    uint32_t metric_id) {
  for (metric_entry_t entry : sMetricByNameLookupEntries) {
    if (static_cast<uint32_t>(GLEAN_METRIC_ID(entry >> GLEAN_INDEX_BITS)) == metric_id) {
      return GetMetricIdentifier(entry);
    }
  }

  // We didn't find our metric_id in the list of metric entries.
  return nullptr;
}

/**
 * Check that the found entry is pointing to the right key
 * and return it.
 * Or return `Nothing()` if the entry was not found.
 */
static Maybe<uint32_t> category_result_check(const nsACString& aKey, category_entry_t entry) {
  if (MOZ_UNLIKELY(entry > sizeof(gCategoryStringTable))) {
    return Nothing();
  }
  if (aKey.EqualsASCII(gCategoryStringTable + entry)) {
    return Some(entry);
  }
  return Nothing();
}

/**
 * Check if the found entry index is pointing to the right key
 * and return the corresponding metric ID.
 * Or return `Nothing()` if the entry was not found.
 */
static Maybe<uint32_t> metric_result_check(const nsACString& aKey, uint64_t entry) {
  uint32_t metricId = entry >> GLEAN_INDEX_BITS;
  uint32_t offset = GLEAN_OFFSET(entry);

  if (offset > sizeof(gMetricStringTable)) {
    return Nothing();
  }

  if (aKey.EqualsASCII(gMetricStringTable + offset)) {
    return Some(metricId);
  }

  return Nothing();
}


#undef GLEAN_INDEX_BITS
#undef GLEAN_ID_BITS
#undef GLEAN_TYPE_ID
#undef GLEAN_METRIC_ID
#undef GLEAN_OFFSET

} // namespace mozilla::glean