import { z } from 'zod';
export declare const PerformanceAttributionOptionsSchema: z.ZodObject<{
    portfolioReturns: z.ZodArray<z.ZodNumber>;
    benchmarkReturns: z.ZodArray<z.ZodNumber>;
    assetReturns: z.ZodArray<z.ZodArray<z.ZodNumber>>;
    portfolioWeights: z.ZodArray<z.ZodArray<z.ZodNumber>>;
    benchmarkWeights: z.ZodArray<z.ZodArray<z.ZodNumber>>;
    method: z.ZodDefault<z.ZodEnum<{
        brinson: "brinson";
        arithmetic: "arithmetic";
    }>>;
    annualizationFactor: z.ZodDefault<z.ZodNumber>;
}, z.core.$strip>;
export type PerformanceAttributionOptions = z.infer<typeof PerformanceAttributionOptionsSchema>;