/**
 * atr_list_rules MCP tool - List and filter ATR rules
 * @module agent-threat-rules/mcp-tools/list-rules
 */
import type { ATREngine } from '../engine.js';
export interface ListRulesInput {
    category?: string;
    severity?: string;
    search?: string;
}
export declare function handleListRules(engine: ATREngine, args: Record<string, unknown>): {
    content: Array<{
        type: string;
        text: string;
    }>;
};
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