in example/example.dart [9:20]
void main(List<String> args) {
// Creates a Codec that converts a UTF-8 strings to/from percent encoding
final fusedCodec = utf8.fuse(percent);
final input = args.isNotEmpty ? args.first : 'ABC 123 @!(';
print(input);
final encodedMessage = fusedCodec.encode(input);
print(encodedMessage);
final decodedMessage = fusedCodec.decode(encodedMessage);
assert(decodedMessage == input);
}