export type ConfigsHash<T> = {
    [index: string]: T | boolean | undefined;
    __surveyjs_internal_themes_hash?: boolean;
    __surveyjs_internal_configs_hash?: boolean;
};
export declare function registerConfig<T>(registerConfigCallback: (config: T) => void, ...configs: Array<T | ConfigsHash<T>>): void;
export declare function sortDefaultConfigs(defaultConfigsOrder: Array<string>, configs: Array<string>, resultArray: Array<string>): void;