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diff --git a/src/cloud_trace_processor/trace_processor_wrapper.h b/src/cloud_trace_processor/trace_processor_wrapper.h
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+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * 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 SRC_CLOUD_TRACE_PROCESSOR_TRACE_PROCESSOR_WRAPPER_H_
+#define SRC_CLOUD_TRACE_PROCESSOR_TRACE_PROCESSOR_WRAPPER_H_
+
+#include "perfetto/ext/base/threading/future.h"
+#include "perfetto/ext/base/threading/stream.h"
+#include "perfetto/ext/base/threading/thread_pool.h"
+#include "perfetto/trace_processor/trace_processor.h"
+#include "src/trace_processor/rpc/query_result_serializer.h"
+
+namespace perfetto {
+namespace protos {
+
+class TracePoolShardQueryResponse;
+
+}  // namespace protos
+}  // namespace perfetto
+
+namespace perfetto {
+namespace cloud_trace_processor {
+
+// Wrapper class around an instance of TraceProcessor to adapt it for the needs
+// of a CloudTraceProcessor Worker.
+class TraceProcessorWrapper {
+ public:
+  enum Statefulness {
+    // Indicates that the state of the trace processor instance should be purged
+    // after every query.
+    kStateless,
+
+    // Indicates that the state of the trace processor instance should be
+    // preserved across queries.
+    kStateful,
+  };
+
+  TraceProcessorWrapper(std::string trace_path,
+                        base::ThreadPool*,
+                        Statefulness);
+
+  // Loads the trace given a stream of chunks to parse.
+  base::StatusFuture LoadTrace(
+      base::StatusOrStream<std::vector<uint8_t>> file_stream);
+
+  // Executes the given query on the trace processor and returns the results
+  // as a stream.
+  base::StatusOrStream<protos::TracePoolShardQueryResponse> Query(
+      const std::string& sql);
+
+ private:
+  using TraceProcessor = trace_processor::TraceProcessor;
+
+  TraceProcessorWrapper(const TraceProcessorWrapper&) = delete;
+  TraceProcessorWrapper& operator=(const TraceProcessorWrapper&) = delete;
+
+  TraceProcessorWrapper(TraceProcessorWrapper&&) = delete;
+  TraceProcessorWrapper& operator=(TraceProcessorWrapper&&) = delete;
+
+  const std::string trace_path_;
+  base::ThreadPool* thread_pool_ = nullptr;
+  const Statefulness statefulness_ = Statefulness::kStateless;
+  std::shared_ptr<TraceProcessor> trace_processor_;
+};
+
+}  // namespace cloud_trace_processor
+}  // namespace perfetto
+
+#endif  // SRC_CLOUD_TRACE_PROCESSOR_TRACE_PROCESSOR_WRAPPER_H_