import { z } from 'zod';
export declare const PortfolioVolatilityOptionsSchema: z.ZodObject<{
    weights: z.ZodArray<z.ZodNumber>;
    returns: z.ZodArray<z.ZodArray<z.ZodNumber>>;
    annualizationFactor: z.ZodDefault<z.ZodNumber>;
}, z.core.$strip>;
export type PortfolioVolatilityOptions = z.infer<typeof PortfolioVolatilityOptionsSchema>;