type Config = Record<string, any>;
/**
 * Merges configurations into a single configuration object and returns it.
 * @param arg Configurations to merge.
 * @param options Options for merging.
 */
export declare function mergeConfig<T extends Config>(arg: [...(T | Partial<T>)[]], { strict }?: MergeOptions): T;
interface MergeOptions {
    /**
     * If true, empty child object(s) of source are not ignored during the merge. Default is false.
     */
    strict?: boolean;
}
export {};