import z from "zod";
import { VaultHistoricalDataActionSchema } from "../schemas";
import { ApiError } from "./types";
type ApyData = {
    timestamp: number;
    blockNumber: number;
    apy: {
        base: number;
        rewards: number;
        total: number;
    };
};
type TvlData = {
    timestamp: number;
    blockNumber: number;
    tvlDetails: {
        tvlUsd: number;
    };
};
/**
 * Fetch historical data for a vault
 *
 * @param args - The arguments for the action
 * @param apiKey - The API key to use for the request
 * @returns The historical data for the vault
 */
export declare function fetchVaultHistoricalData(args: z.infer<typeof VaultHistoricalDataActionSchema>, apiKey: string): Promise<ApiError | {
    apy: ApyData;
    tvl: TvlData;
}>;
export {};