/**
 * Forgen Meta-Learning — Scope Promoter (Feature 3)
 *
 * Tracks cross-project solution usage and auto-promotes solutions
 * from scope:'me' to scope:'universal' when used in 3+ distinct projects.
 *
 * Data flow:
 *   1. At session end: read injection-cache for injected solutions + session cwd
 *   2. Record (solution, project) pair in project-usage-map.json
 *   3. Check if any solution has 3+ distinct projects → mutate frontmatter
 */
import type { MetaLearningConfig } from './types.js';
/**
 * Record which project (cwd) each injected solution was used in.
 */
export declare function updateProjectUsageMap(sessionId: string, cwd: string, _config: MetaLearningConfig): void;
/**
 * Check for solutions that should be promoted to universal scope.
 * Returns names of promoted solutions.
 */
export declare function checkScopePromotions(config: MetaLearningConfig): string[];