export interface Config {
    readonly iFrameBaseUrl: string;
    readonly sdkApiBaseUrl: string;
    readonly sdkApiVersion: string;
    readonly sdkPlatform: string;
    readonly apiKey: string;
    readonly apiSecret: string;
    readonly language: string;
}
/**
 * Resolves the default iframe base URL for the given API version.
 * v3 and earlier are served from the root host (sdk.tyrads.com);
 * v4 and later each get a dedicated v{major}.sdk.tyrads.com subdomain.
 * Unrecognized version strings fall back to the SDK's current default major.
 */
export declare function resolveIframeBaseUrl(apiVersion: string): string;
export declare const init: (config: Partial<Config> & {
    apiKey: string;
    apiSecret: string;
}) => Config;