/**
 * Policy-Aware Knowledge Matcher
 *
 * Wraps the standard knowledge matcher with policy-based filtering and weighting.
 * Policies can exclude snippets, boost/suppress weights, and adjust category priorities
 * based on environment, tool context, and other factors.
 */
import type { RegoEvaluator } from '../config/policy-rego';
import type { KnowledgeQuery, KnowledgeMatch, LoadedEntry } from './types';
import type { FilteredKnowledgeResult } from './policy-types';
/**
 * Find knowledge matches with policy-based filtering and weighting
 *
 * This function wraps the standard knowledge matcher with policy intelligence,
 * allowing policies to control which snippets are surfaced and how they're prioritized.
 *
 * @param entries - All knowledge entries
 * @param query - Knowledge query
 * @param policy - Optional policy evaluator for filtering/weighting
 * @returns Filtered and weighted matches with metadata
 */
export declare function findPolicyAwareKnowledgeMatches(entries: LoadedEntry[], query: KnowledgeQuery, policy?: RegoEvaluator): Promise<{
    matches: KnowledgeMatch[];
    filterResult: FilteredKnowledgeResult;
}>;
/**
 * Get policy-aware knowledge snippets for selective injection
 *
 * This is a convenience wrapper around findPolicyAwareKnowledgeMatches
 * that returns snippets in the format expected by tools.
 *
 * @param entries - All knowledge entries
 * @param query - Knowledge query
 * @param policy - Optional policy evaluator
 * @returns Knowledge snippets with policy filtering applied
 */
export declare function getPolicyAwareKnowledgeSnippets(entries: LoadedEntry[], query: KnowledgeQuery, policy?: RegoEvaluator): Promise<{
    snippets: Array<{
        id: string;
        text: string;
        weight: number;
        tags?: string[];
        category?: string;
        source?: string;
        severity?: 'required' | 'high' | 'medium' | 'low';
    }>;
    filterResult: FilteredKnowledgeResult;
}>;
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