/**
 * Forgen Meta-Learning — Extraction Tuner (Feature 5)
 *
 * Tracks which solution types (pattern, solution, decision, etc.) have the
 * best reflected/injected ratio and biases future extraction toward those types.
 *
 * Uses Laplace smoothing (pseudo-count +1) to prevent zero weights
 * for underrepresented types.
 */
import type { ExtractionBias, MetaLearningConfig } from './types.js';
/**
 * Compute extraction bias based on type effectiveness.
 * Returns null if cold-start conditions are not met.
 */
export declare function computeExtractionBias(config: MetaLearningConfig): ExtractionBias | null;