/**
 * Noah — Financial Runway Calculator
 *
 * Computes estimated days until funds depleted using 7-day rolling averages.
 * MVP spec Section 5.2.
 */
export interface FinancialRunwayResult {
    /** Estimated days until funds depleted. Infinity if self-sustaining. */
    runwayDays: number;
    /** Revenue per day (7-day rolling average) */
    revenueVelocity: number;
    /** Net daily burn rate (expenses - revenue). Negative means profitable. */
    netDailyBurn: number;
}
/**
 * Calculate estimated days until funds depleted.
 * Uses 7-day rolling average of daily burn rate.
 *
 * @param currentBalance Current available balance
 * @param revenueHistory7Day Daily revenue for last 7 days (array of 7 numbers)
 * @param expenseHistory7Day Daily expenses for last 7 days (array of 7 numbers)
 */
export declare function calculateFinancialRunway(currentBalance: number, revenueHistory7Day: number[], expenseHistory7Day: number[]): FinancialRunwayResult;
/**
 * Simplified runway update from a FINANCIAL_UPDATE event.
 *
 * @param balance Current balance
 * @param burnRate Daily burn rate (positive = spending)
 * @param revenue Daily revenue
 */
export declare function calculateSimpleRunway(balance: number, burnRate: number, revenue: number): FinancialRunwayResult;
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