/**
 * SONA Optimizer — keyword categories, tunables, and stateless matching helpers
 * Split out of sona-optimizer.ts (file-size sweep). Pure move: these constants
 * and functions never touched `this` in the SONAOptimizer class, so they move
 * verbatim; call sites in the class now call them directly instead of via
 * `this.`.
 *
 * @module v1/cli/memory/sona-optimizer
 */
import type { LearnedPattern } from './sona-optimizer-types.js';
export declare const DEFAULT_PERSISTENCE_PATH = ".swarm/sona-patterns.json";
export declare const PATTERN_VERSION = "1.0.0";
export declare const MIN_CONFIDENCE = 0.1;
export declare const MAX_CONFIDENCE = 0.99;
export declare const CONFIDENCE_INCREMENT = 0.1;
export declare const CONFIDENCE_DECREMENT = 0.15;
export declare const DECAY_RATE = 0.01;
export declare const MAX_PATTERNS = 1000;
/**
 * Common agent types for routing
 */
export declare const _AGENT_TYPES: string[];
/**
 * Task keywords for pattern extraction
 */
export declare const KEYWORD_CATEGORIES: Record<string, string[]>;
/**
 * Check if word is a stop word
 */
export declare function isStopWord(word: string): boolean;
/**
 * Extract meaningful keywords from task description
 */
export declare function extractKeywords(task: string): string[];
/**
 * Create a unique pattern key from keywords and agent
 */
export declare function createPatternKey(keywords: string[], agent: string): string;
/**
 * Match keywords to agent using category heuristics
 */
export declare function matchKeywordsToAgent(keywords: string[]): {
    agent: string;
    confidence: number;
    matchedKeywords: string[];
} | null;
/**
 * Get alternative agent suggestions
 */
export declare function getAlternatives(keywords: string[], excludeAgent: string): Array<{
    agent: string;
    score: number;
}>;
/**
 * Validate pattern structure with strict bounds.
 * SECURITY: confidence/keywords/agent fields must be bounds-checked to
 * defeat poisoning. typeof NaN === 'number' and typeof Infinity === 'number'
 * pass the loose typeof check; without bounds, an attacker who writes
 * sona-patterns.json (poisoned bundle, malicious test fixture, co-located
 * compromise) can inject `confidence: 1e308` to deterministically win
 * every routing decision via findBestPatternMatch's `score = matchRatio *
 * confidence`. Mirrors the pattern in intelligence.ts:loadFromDisk.
 */
export declare function validatePattern(pattern: unknown): pattern is LearnedPattern;
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