import type { SupportedChain } from "../types/index.js";
export interface PriceQuery {
    chain: SupportedChain;
    address: `0x${string}` | "native";
}
/**
 * Batch fetch USD prices for the given tokens. Results are cached 30s.
 * Missing tokens are simply absent from the returned map.
 */
export declare function getTokenPrices(queries: PriceQuery[]): Promise<Map<string, number>>;
/** Convenience: look up a single price, return undefined if unknown. */
export declare function getTokenPrice(chain: SupportedChain, address: `0x${string}` | "native"): Promise<number | undefined>;