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diff --git a/src/mongo/db/query/ce/stats.idl b/src/mongo/db/query/ce/stats.idl
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+# Copyright (C) 2022-present MongoDB, Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the Server Side Public License, version 1,
+# as published by MongoDB, Inc.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# Server Side Public License for more details.
+#
+# You should have received a copy of the Server Side Public License
+# along with this program. If not, see
+# <http://www.mongodb.com/licensing/server-side-public-license>.
+#
+# As a special exception, the copyright holders give permission to link the
+# code of portions of this program with the OpenSSL library under certain
+# conditions as described in each individual source file and distribute
+# linked combinations including the program with the OpenSSL library. You
+# must comply with the Server Side Public License in all respects for
+# all of the code used other than as permitted herein. If you modify file(s)
+# with this exception, you may extend this exception to your version of the
+# file(s), but you are not obligated to do so. If you do not wish to do so,
+# delete this exception statement from your version. If you delete this
+# exception statement from all source files in the program, then also delete
+# it in the license file.
+#
+global:
+    cpp_namespace: "mongo"
+
+imports:
+    - "mongo/db/basic_types.idl"
+
+structs:
+    StatsBucket:
+        description: "Histogram bucket"
+        fields:
+            upperBoundary:
+                type: IDLAnyType
+            boundaryCount:
+                type: long
+            rangeCount:
+                type: long
+            rangeDistincts:
+                type: long
+            cumulativeCount:
+                type: long
+            cumulativeDistincts:
+                type: long
+
+    BoolCount:
+        description: "Tracks count of booleans separately from histogram buckets and other type
+counts"
+        fields:
+            trueCount:
+                type: long
+            falseCount:
+                type: long
+
+    TypeTag:
+        description: "SBE types and their corresponding frequencies in the histogram"
+        fields:
+            typeName:
+                type: string
+            count:
+                type: long
+
+    StatsArrayHistogram:
+        description: "Array Histogram"
+        fields:
+            minHistogram:
+                type: array<StatsBucket>
+            maxHistogram:
+                type: array<StatsBucket>
+            uniqueHistogram:
+                type: array<StatsBucket>
+            boolCount:
+                type: BoolCount
+            typeCount:
+                type: array<TypeTag>
+
+    StatsPath:
+        description: "Serialized representation of data statistics for a key path"
+        fields:
+            path:
+                type: string
+            documents:
+                type: long
+            documentsSampled:
+                type: long
+                optional: true
+            samplingRate:
+                type: double
+                optional: true
+            samplesRequested:
+                type: long
+                optional: true
+            boolCount:
+                type: BoolCount
+                optional: true
+            typeCount:
+                type: array<TypeTag>
+                optional: true
+            scalarHistogram:
+                type: array<StatsBucket>
+                optional: true
+            arrayStatistics:
+                type: StatsArrayHistogram
+                optional: true