mem100x/dist/utils/bloom-filter.d.ts

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/**
 * High-Performance Bloom Filter
 * Probabilistic data structure for O(1) existence checks
 * Now with ultra-fast non-cryptographic hashing
 */
export declare class BloomFilter {
    private readonly size;
    private readonly numHashes;
    private readonly bits;
    private itemCount;
    private initialized;
    constructor(expectedItems?: number, falsePositiveRate?: number);
    init(): Promise<void>;
    private murmur3;
    add(item: string): void;
    contains(item: string): boolean;
    private getHashes;
    clear(): void;
    getStats(): {
        size: number;
        numHashes: number;
        items: number;
        fillRate: number;
    };
    serialize(): Buffer;
    static deserialize(buffer: Buffer): BloomFilter;
    saveToFile(filePath: string): Promise<void>;
    static loadFromFile(filePath: string): Promise<BloomFilter | null>;
}
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