Snowflake.parse constructor
- dynamic value,
 - DateTime epoch
 
Implementation
factory Snowflake.parse(dynamic value, DateTime epoch) {
  int val = int.parse(value.toString());
  return Snowflake(epoch: epoch, value: val);
}
factory Snowflake.parse(dynamic value, DateTime epoch) {
  int val = int.parse(value.toString());
  return Snowflake(epoch: epoch, value: val);
}