import type { BriefDescriptor } from '../descriptors/getBriefDescriptors.js';
/**
 * Compute the Hamming distance between two bit strings.
 * @see {@link https://en.wikipedia.org/wiki/Hamming_distance}
 * @param descriptor1 - First bit string.
 * @param descriptor2 - Second bit string.
 * @returns The Hamming distance.
 */
export declare function getHammingDistance(descriptor1: BriefDescriptor, descriptor2: BriefDescriptor): number;
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