/**
 * SMI-863: Deduplication functions for skill validation
 */
import { ValidatedSkill, DuplicateEntry } from './types.js';
/**
 * Compare two skills and determine which to keep based on source priority and quality
 */
export declare function compareSkillsForDedup(a: ValidatedSkill, b: ValidatedSkill): 'a' | 'b';
/**
 * Deduplicate skills by repo_url
 */
export declare function deduplicateByRepoUrl(skills: ValidatedSkill[]): {
    unique: ValidatedSkill[];
    duplicates: DuplicateEntry[];
};
/**
 * Detect semantic duplicates using embedding similarity
 */
export declare function detectSemanticDuplicates(skills: ValidatedSkill[], threshold?: number): Promise<{
    unique: ValidatedSkill[];
    duplicates: DuplicateEntry[];
}>;
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