| 1 | import { EventEmitter } from 'events';
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| 2 |
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| 3 | export class CacheEntry<T> extends EventEmitter {
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| 4 | get(callback?: (err: Error, result: T) => void): T | undefined;
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| 5 | set(value: T): void;
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| 6 | clear(): void;
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| 7 | }
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| 8 |
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| 9 | export class Cache {
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| 10 | /**
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| 11 | * Clear cache entries prefix matching given key
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| 12 | * @param key Key prefix of cache entry to clear
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| 13 | */
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| 14 | clear(key?: string): void;
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| 15 |
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| 16 | /**
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| 17 | * Retrieve cache entry, or create if not exists
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| 18 | * @param key Key of cache entry
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| 19 | */
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| 20 | get<T>(key?: string): CacheEntry<T>;
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| 21 | }
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