| 1 | /*
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| 2 | * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with
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| 5 | * the License. A copy of the License is located at
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| 6 | *
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| 7 | * http://aws.amazon.com/apache2.0/
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| 8 | *
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| 9 | * or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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| 10 | * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions
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| 11 | * and limitations under the License.
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| 12 | */
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| 13 |
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| 14 | /**
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| 15 | * This Symbol is used to reference an internal-only PubSub provider that
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| 16 | * is used for AppSync/GraphQL subscriptions in the API category.
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| 17 | */
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| 18 | const hasSymbol =
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| 19 | typeof Symbol !== 'undefined' && typeof Symbol.for === 'function';
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| 20 |
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| 21 | /**
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| 22 | * @deprecated Unused, all usecases have migrated to INTERNAL_AWS_APPSYNC_REALTIME_PUBSUB_PROVIDER
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| 23 | */
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| 24 | export const INTERNAL_AWS_APPSYNC_PUBSUB_PROVIDER = hasSymbol
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| 25 | ? Symbol.for('INTERNAL_AWS_APPSYNC_PUBSUB_PROVIDER')
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| 26 | : '@@INTERNAL_AWS_APPSYNC_PUBSUB_PROVIDER';
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| 27 |
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| 28 | export const INTERNAL_AWS_APPSYNC_REALTIME_PUBSUB_PROVIDER = hasSymbol
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| 29 | ? Symbol.for('INTERNAL_AWS_APPSYNC_REALTIME_PUBSUB_PROVIDER')
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| 30 | : '@@INTERNAL_AWS_APPSYNC_REALTIME_PUBSUB_PROVIDER';
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| 31 |
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| 32 | export const USER_AGENT_HEADER = 'x-amz-user-agent';
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