def xml_keys(target)
      lazy_load_strings
      @lazy_load_strings.select { |key, _value| key.downcase.include? target.downcase }
    end
def xml_keys(target)
      lazy_load_strings
      @lazy_load_strings.select { |key, _value| key.downcase.include? target.downcase }
    end
Search strings.xml's values for target.
 @param target [String] the target to search for in strings.xml values
 @return [Array]