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diff --git a/icing/result/result-adjustment-info.h b/icing/result/result-adjustment-info.h
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+// Copyright (C) 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef ICING_RESULT_RESULT_ADJUSTMENT_INFO_H_
+#define ICING_RESULT_RESULT_ADJUSTMENT_INFO_H_
+
+#include <string>
+#include <unordered_map>
+
+#include "icing/proto/scoring.pb.h"
+#include "icing/proto/search.pb.h"
+#include "icing/result/projection-tree.h"
+#include "icing/result/snippet-context.h"
+
+namespace icing {
+namespace lib {
+
+// A wrapper struct for information used in result retrieval.
+// - Snippet
+// - Projection
+struct ResultAdjustmentInfo {
+  // Information needed for snippeting.
+  SnippetContext snippet_context;
+
+  // Remaining # of docs to snippet.
+  int remaining_num_to_snippet;
+
+  // Information needed for projection.
+  std::unordered_map<std::string, ProjectionTree> projection_tree_map;
+
+  explicit ResultAdjustmentInfo(const SearchSpecProto& search_spec,
+                                const ScoringSpecProto& scoring_spec,
+                                const ResultSpecProto& result_spec,
+                                SectionRestrictQueryTermsMap query_terms);
+};
+
+}  // namespace lib
+}  // namespace icing
+
+#endif  // ICING_RESULT_RESULT_ADJUSTMENT_INFO_H_