public Entry getMetadata(String path, int fileLimit, @Nullable String hash) {
        return getMetadata(path, fileLimit, hash, true);
    }
public Entry getMetadata ( String path , int fileLimit , @ Nullable String hash ) { return getMetadata ( path , fileLimit , hash , true ) ; }
Returns metadata information about specified resource with
checking for its hash with specified max child entries count.
If nothing changes (hash isn't changed) then 304 will returns.

@param path      to file or directory
@param fileLimit max child entries count
@param hash      to check smth changed

@return metadata of specified resource

@see Entry