import { z } from "zod";
import { ActionProvider } from "../actionProvider";
import { AlchemyTokenPricesBySymbolSchema } from "./schemas";
/**
 * Configuration options for initializing the AlchemyTokenPricesActionProvider.
 */
export interface AlchemyTokenPricesActionProviderConfig {
    /**
     * Alchemy API Key used for authenticating requests to the Alchemy Prices API.
     */
    apiKey?: string;
}
/**
 * AlchemyTokenPricesActionProvider enables fetching real-time token price data
 * using the Alchemy Prices API, supporting lookups by token symbol or address.
 */
export declare class AlchemyTokenPricesActionProvider extends ActionProvider {
    private readonly apiKey;
    private readonly baseUrl;
    /**
     * Creates a new AlchemyTokenPricesActionProvider instance.
     *
     * @param config - Configuration including the Alchemy API key. Falls back to environment variable.
     * @throws If no valid API key is provided via config or environment.
     */
    constructor(config?: AlchemyTokenPricesActionProviderConfig);
    /**
     * Fetches current prices for one or more tokens based on their symbols.
     *
     * @remarks
     * This uses Alchemy’s `tokens/by-symbol` GET endpoint and allows multiple symbols per request.
     *
     * @param args - Object containing an array of token symbols (e.g., ["ETH", "USDC"]).
     * @returns A formatted JSON string with price information or error details.
     */
    tokenPricesBySymbol(args: z.infer<typeof AlchemyTokenPricesBySymbolSchema>): Promise<string>;
    supportsNetwork: () => boolean;
}
/**
 * Factory function to instantiate AlchemyTokenPricesActionProvider.
 *
 * @param config - Optional configuration object containing the Alchemy API key.
 * @returns A new initialized provider instance.
 */
export declare const alchemyTokenPricesActionProvider: (config?: AlchemyTokenPricesActionProviderConfig) => AlchemyTokenPricesActionProvider;