/**
 * Yield Prediction Utility
 *
 * Trend analysis and forecasting algorithms for vault yield prediction.
 * Provides APR projections based on historical performance data.
 */
/**
 * Yield prediction result
 */
export interface YieldPrediction {
    currentAPR: number;
    predictedAPR: number;
    feeAdjustedAPR?: number;
    confidence: number;
    trend: 'increasing' | 'decreasing' | 'stable';
    projectedReturns: {
        timeframe: '7d' | '30d' | '90d' | '1y';
        expectedReturn: number;
        minReturn: number;
        maxReturn: number;
    }[];
    feeAdjustedReturns?: {
        timeframe: '7d' | '30d' | '90d' | '1y';
        expectedReturn: number;
        minReturn: number;
        maxReturn: number;
    }[];
    feeImpact?: {
        managementFee: number;
        performanceFee: number;
        totalAnnualFeeDrag: number;
        performanceFeeActive: boolean;
    };
    insights: string[];
}
/**
 * Historical data point for yield analysis
 */
export interface YieldDataPoint {
    timestamp: number;
    apr: number;
    tvl: number;
}
/**
 * Predict future yield based on historical data
 *
 * Uses multiple forecasting techniques:
 * 1. Linear regression for trend analysis
 * 2. Exponential moving average for short-term prediction
 * 3. Volatility analysis for confidence intervals
 * 4. Fee-adjusted predictions (optional) - net returns after management and performance fees
 *
 * @param historicalData - Historical APR and TVL data points
 * @param feeParams - Optional fee parameters for calculating net returns
 * @returns Yield prediction with confidence intervals and insights
 */
export declare function predictYield(historicalData: YieldDataPoint[], feeParams?: {
    managementFee: number;
    performanceFee: number;
    performanceFeeActive: boolean;
    /**
     * Actual profit margin calculated from historical period summaries.
     * Used to calculate accurate performance fee impact.
     * If not provided and performanceFeeActive is true, fee-adjusted predictions
     * will be omitted entirely (no placeholder assumptions).
     */
    actualProfitMargin?: number;
}, dataQualityFlags?: {
    droppedShortPeriods: number;
    clampedPeriods: number;
}): YieldPrediction;
/**
 * Calculate compound APR from multiple yield sources
 *
 * @param yields - Array of APR values from different sources
 * @returns Compound APR
 */
export declare function calculateCompoundAPR(yields: number[]): number;
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