def chars
      results = [self.render({variant_encoding: false})]
      @variations.each do |variation|
        results << EmojiChar::unified_to_char(variation)
      end
      @chars ||= results
    end
def chars
      results = [self.render({variant_encoding: false})]
      @variations.each do |variation|
        results << EmojiChar::unified_to_char(variation)
      end
      @chars ||= results
    end
Returns a list of all possible UTF-8 string renderings of an `EmojiChar`.

 E.g., normal, with variant selectors, etc. This is useful if you want to
 have all possible values to match against when searching for the emoji in
 a string representation.

 @return [Array<String>] all possible UTF-8 string renderings