/**
 * Stats/accessor methods for EWCConsolidator (stats, gradient recording,
 * pattern lookup, lambda accessors, importance scoring).
 * File-size sweep: split out of ewc-consolidation.ts. Mixed into
 * EWCConsolidator.prototype at the bottom of ewc-consolidation.ts.
 *
 * @module v1/cli/memory/ewc-consolidation-stats
 */
import type { EWCConsolidator } from './ewc-consolidation.js';
import type { EWCStats, PatternWeights } from './ewc-consolidation-types.js';
export declare const ewcStatsMethods: {
    /**
     * Get consolidation statistics
     */
    getConsolidationStats(this: EWCConsolidator): EWCStats;
    /**
     * Record a gradient sample for Fisher computation
     */
    recordGradient(this: EWCConsolidator, patternId: string, gradients: number[], success: boolean): void;
    /**
     * Get pattern weights by ID
     */
    getPatternWeights(this: EWCConsolidator, id: string): PatternWeights | undefined;
    /**
     * Get all stored patterns
     */
    getAllPatterns(this: EWCConsolidator): PatternWeights[];
    /**
     * Update EWC lambda (regularization strength)
     */
    setLambda(this: EWCConsolidator, lambda: number): void;
    /**
     * Get current lambda value
     */
    getLambda(this: EWCConsolidator): number;
    /**
     * Calculate importance score for a pattern based on usage
     */
    calculateImportance(this: EWCConsolidator, pattern: PatternWeights): number;
};
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