| 1 | /**
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| 2 | * @license
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| 3 | * Copyright 2017 Google LLC
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| 4 | *
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| 5 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 6 | * you may not use this file except in compliance with the License.
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| 7 | * You may obtain a copy of the License at
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| 8 | *
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0
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| 10 | *
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| 11 | * Unless required by applicable law or agreed to in writing, software
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 14 | * See the License for the specific language governing permissions and
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| 15 | * limitations under the License.
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| 16 | */
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| 17 | import { RepoInfo } from '../core/RepoInfo';
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| 18 | import { BrowserPollConnection } from './BrowserPollConnection';
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| 19 | import { TransportConstructor } from './Transport';
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| 20 | import { WebSocketConnection } from './WebSocketConnection';
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| 21 | /**
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| 22 | * Currently simplistic, this class manages what transport a Connection should use at various stages of its
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| 23 | * lifecycle.
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| 24 | *
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| 25 | * It starts with longpolling in a browser, and httppolling on node. It then upgrades to websockets if
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| 26 | * they are available.
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| 27 | */
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| 28 | export declare class TransportManager {
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| 29 | private transports_;
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| 30 | static get ALL_TRANSPORTS(): (typeof BrowserPollConnection | typeof WebSocketConnection)[];
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| 31 | /**
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| 32 | * @param repoInfo - Metadata around the namespace we're connecting to
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| 33 | */
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| 34 | constructor(repoInfo: RepoInfo);
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| 35 | private initTransports_;
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| 36 | /**
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| 37 | * @returns The constructor for the initial transport to use
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| 38 | */
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| 39 | initialTransport(): TransportConstructor;
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| 40 | /**
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| 41 | * @returns The constructor for the next transport, or null
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| 42 | */
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| 43 | upgradeTransport(): TransportConstructor | null;
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| 44 | }
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