import { IConfigurationWire } from './configuration-wire-types';
export type SdkOptions = {
    sdkName?: string;
    sdkVersion?: string;
    baseUrl?: string;
    fetchBandits?: boolean;
};
/**
 * Helper class for fetching and converting configuration from the Eppo API(s).
 */
export declare class ConfigurationWireHelper {
    private readonly fetchBandits;
    private httpClient;
    /**
     * Build a new ConfigurationHelper for the target SDK Key.
     * @param sdkKey
     * @param opts
     */
    static build(sdkKey: string, opts?: SdkOptions): ConfigurationWireHelper;
    private constructor();
    /**
     * Fetches configuration data from the API and build a Bootstrap Configuration (aka an `IConfigurationWire` object).
     * The IConfigurationWire instance can be used to bootstrap some SDKs.
     */
    fetchConfiguration(): Promise<IConfigurationWire>;
}
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