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 | export declare class Deferred<R> {
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18 | promise: Promise<R>;
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19 | reject: (value?: unknown) => void;
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20 | resolve: (value?: unknown) => void;
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21 | constructor();
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22 | /**
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23 | * Our API internals are not promiseified and cannot because our callback APIs have subtle expectations around
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24 | * invoking promises inline, which Promises are forbidden to do. This method accepts an optional node-style callback
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25 | * and returns a node-style callback which will resolve or reject the Deferred's promise.
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26 | */
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27 | wrapCallback(callback?: (error?: unknown, value?: unknown) => void): (error: unknown, value?: unknown) => void;
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28 | }
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