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1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef SRC_TRACE_PROCESSOR_JSON_TRACE_UTILS_H_
18 #define SRC_TRACE_PROCESSOR_JSON_TRACE_UTILS_H_
19 
20 #include <stdint.h>
21 
22 #include "perfetto/base/optional.h"
23 
24 namespace Json {
25 class Value;
26 }
27 
28 namespace perfetto {
29 namespace trace_processor {
30 
31 class TraceProcessorContext;
32 
33 namespace json_trace_utils {
34 
35 base::Optional<int64_t> CoerceToNs(const Json::Value& value);
36 base::Optional<int64_t> CoerceToInt64(const Json::Value& value);
37 base::Optional<uint32_t> CoerceToUint32(const Json::Value& value);
38 
39 }  // namespace json_trace_utils
40 }  // namespace trace_processor
41 }  // namespace perfetto
42 
43 #endif  // SRC_TRACE_PROCESSOR_JSON_TRACE_UTILS_H_
44