export declare class PreviewAppVersionsService {
    private static GET_VERSIONS_DATA_URL;
    validMsvKeys: string[];
    validMsvEnvs: string[];
    getMinSupportedVersions(key: string, env: string): Promise<{
        android: number;
        ios: number;
    }>;
    private get;
    private parseResponseSafe;
    private parseResponse;
}