export declare function parseArgv(param: string): string | undefined;
export declare function findBasePath(path: string): string | null;
export declare function merge(to: unknown, from: unknown): unknown;
export declare function mergeArrays(target: unknown[], source: unknown[]): unknown;
export declare function uncache(file: string): string;
export declare function filterDirs(dir: string): boolean;
export declare function pickString(obj: {
    [key: string]: any;
}): [string, string][];
export declare function pickObjects(obj: {
    [key: string]: any;
}): [string, any][];
/**
 * recursively maps object values
 *
 * @param obj
 * @param fn
 * @returns
 */
export declare function mapObject(obj: any, fn: (obj: any) => any): any;
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