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/*
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 * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with
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 * the License. A copy of the License is located at
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 *
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 *     http://aws.amazon.com/apache2.0/
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 *
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 * or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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 * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions
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 * and limitations under the License.
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 */
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/**
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 * This Symbol is used to reference an internal-only PubSub provider that
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 * is used for AppSync/GraphQL subscriptions in the API category.
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 */
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const hasSymbol =
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	typeof Symbol !== 'undefined' && typeof Symbol.for === 'function';
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export const INTERNAL_AWS_APPSYNC_PUBSUB_PROVIDER = hasSymbol
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	? Symbol.for('INTERNAL_AWS_APPSYNC_PUBSUB_PROVIDER')
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	: '@@INTERNAL_AWS_APPSYNC_PUBSUB_PROVIDER';
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export const INTERNAL_AWS_APPSYNC_REALTIME_PUBSUB_PROVIDER = hasSymbol
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	? Symbol.for('INTERNAL_AWS_APPSYNC_REALTIME_PUBSUB_PROVIDER')
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	: '@@INTERNAL_AWS_APPSYNC_REALTIME_PUBSUB_PROVIDER';
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export const USER_AGENT_HEADER = 'x-amz-user-agent';

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