Optional blockingOptional dataUsed for "database" commands to enforce type checking.
Optional maxMaximum number of parameters allowed. -1 for no maximum.
Optional minMinimum number of parameters require.
Optional pubUsed when PUB/SUB is in effect.
Optional signSign is used in commands with a compliment command. The only current example is INCR/DECR. Sign is 1 for INCR and -1 for DECR
Optional txUsed in transactions to enqueue a command.
Every command must implement the execute method.
The original request
We use decorators to supply much of the information required Thus we make these fields optional