import type { Filter } from './index.ts';
export interface BloomFilterOptions {
    seeds?: number[];
    hashes?: number;
    bits?: number;
}
export declare class BloomFilter implements Filter {
    readonly seeds: number[];
    readonly bits: number;
    buffer: Uint8Array;
    constructor(options?: BloomFilterOptions);
    /**
     * Add an item to the filter
     */
    add(item: Uint8Array | string): void;
    /**
     * Test if the filter has an item. If it returns false it definitely does not
     * have the item. If it returns true, it probably has the item but there's
     * an `errorRate` chance it doesn't.
     */
    has(item: Uint8Array | string): boolean;
    /**
     * Reset the filter
     */
    clear(): void;
    setbit(bit: number): void;
    getbit(bit: number): boolean;
}
/**
 * Create a `BloomFilter` with the smallest `bits` and `hashes` value for the
 * specified item count and error rate.
 */
export declare function createBloomFilter(itemCount: number, errorRate?: number): Filter;
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