/**
 * ATR Coverage Analyzer - Analyzes rule sets for coverage gaps
 * against OWASP Agentic Top 10 and MITRE ATLAS frameworks.
 * @module agent-threat-rules/coverage-analyzer
 */
import type { ATRRule } from './types.js';
export interface CoverageGap {
    framework: string;
    riskId: string;
    riskName: string;
    currentRuleCount: number;
    recommendedMin: number;
}
export interface CoverageReport {
    totalRules: number;
    gaps: CoverageGap[];
    categoryDistribution: Record<string, number>;
    suggestions: string[];
}
export declare class CoverageAnalyzer {
    private readonly rules;
    constructor(rules: readonly ATRRule[]);
    /**
     * Analyze the rule set for coverage gaps against OWASP Agentic Top 10,
     * MITRE ATLAS, and ATR category distribution.
     */
    analyze(): CoverageReport;
    /**
     * Count how many active rules cover a given framework item,
     * either by ATR category match or by explicit reference in rule metadata.
     */
    private countCoveringRules;
    /**
     * Build a distribution count of rules per ATR category.
     */
    private buildCategoryDistribution;
    /**
     * Generate human-readable suggestions based on identified gaps
     * and category distribution.
     */
    private generateSuggestions;
}
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