encodeKeyed method
Starts encoding a keyed collection or key-value pairs for the given key or id.
The returned KeyedEncoder should be used to encode the key-value pairs. The KeyedEncoder.end method should be called when all key-value pairs have been encoded.
Implementation
@override
KeyedEncoder encodeKeyed(String key, {int? id}) {
tick();
_packer.packString(key);
return MsgPackKeyedEncoder._(_packer);
}