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4 | export declare class Queue {
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5 | |
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7 |
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8 | private _queue_;
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9 | |
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11 |
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12 | constructor();
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13 | /**
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14 | * Get size of queue.
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15 | *
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16 | * @returns Total callbacks in queue.
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17 | */
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18 | get size(): number;
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19 | /**
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20 | * Clear queue.
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21 | */
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22 | clear(): void;
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23 | /**
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24 | * Enqueue callback.
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25 | *
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26 | * @param handler Callback function.
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27 | * @param priority Callback priority.
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28 | */
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29 | push(handler: () => Promise<unknown>, priority?: number): void;
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30 | /**
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31 | * Pop callback off queue.
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32 | *
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33 | * @returns Callback function or null if empty.
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34 | */
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35 | pop(): (() => Promise<unknown>) | null;
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36 | /**
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37 | * Shift callback off queue.
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38 | *
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39 | * @returns Callback function or null if empty.
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40 | */
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41 | shift(): (() => Promise<unknown>) | null;
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42 | /**
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43 | * Run queue.
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44 | */
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45 | run(): Promise<void>;
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46 | }
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