export type HexString = string;
export type PriceFeedRequestConfig = {
    verbose?: boolean;
    binary?: boolean;
};
export type PriceServiceConnectionConfig = {
    timeout?: number;
    httpRetries?: number;
};
export declare class PriceServiceConnection {
    private httpClient;
    /**
     * Constructs a new Connection.
     *
     * @param endpoint endpoint URL to the price service.
     * @param config Optional configuration for custom setups.
     */
    constructor(endpoint: string, config?: PriceServiceConnectionConfig);
    /**
     * Fetch latest VAAs of given price IDs.
     *
     * @param priceIds Array of hex-encoded price IDs.
     * @returns Array of base64 encoded VAAs.
     */
    getLatestVaas(priceIds: HexString[]): Promise<string[]>;
}