38 lines
1.3 KiB
TypeScript
38 lines
1.3 KiB
TypeScript
/**
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* @license
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* Copyright 2019 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* The maximum milliseconds to increase to.
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*
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* <p>Visible for testing
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*/
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export declare const MAX_VALUE_MILLIS: number;
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/**
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* The percentage of backoff time to randomize by.
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* See
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* http://go/safe-client-behavior#step-1-determine-the-appropriate-retry-interval-to-handle-spike-traffic
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* for context.
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*
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* <p>Visible for testing
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*/
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export declare const RANDOM_FACTOR = 0.5;
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/**
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* Based on the backoff method from
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* https://github.com/google/closure-library/blob/master/closure/goog/math/exponentialbackoff.js.
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* Extracted here so we don't need to pass metadata and a stateful ExponentialBackoff object around.
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*/
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export declare function calculateBackoffMillis(backoffCount: number, intervalMillis?: number, backoffFactor?: number): number;
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