| 1 | /**
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| 2 | * Copyright 2019, OpenCensus Authors
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 | import { Timestamp } from '../metrics/export/types';
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| 17 | declare function setHrtimeReference(): void;
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| 18 | /**
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| 19 | * This is used to enable tests to mock process.hrtime while still allow us to
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| 20 | * cache it.
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| 21 | */
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| 22 | declare function resetHrtimeFunctionCache(): void;
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| 23 | /**
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| 24 | * Gets the current timestamp with seconds and nanoseconds.
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| 25 | *
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| 26 | * @returns The Timestamp.
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| 27 | */
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| 28 | export declare function getTimestampWithProcessHRTime(): Timestamp;
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| 29 | /**
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| 30 | * Creates a new timestamp from the given milliseconds.
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| 31 | *
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| 32 | * @param epochMilli the timestamp represented in milliseconds since epoch.
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| 33 | * @returns new timestamp with specified fields.
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| 34 | */
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| 35 | export declare function timestampFromMillis(epochMilli: number): Timestamp;
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| 36 | export declare const TEST_ONLY: {
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| 37 | setHrtimeReference: typeof setHrtimeReference;
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| 38 | resetHrtimeFunctionCache: typeof resetHrtimeFunctionCache;
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| 39 | };
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| 40 | export {};
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