bag := &multistep.BasicStateBag{} bag.Put("name", "John")
bag := &multistep.BasicStateBag{} bag.Put("age", 30)In this example, a state bag is created and the `Put` method is used to add a key-value pair `("age", 30)` to the bag. This package library `github.com/mitchellh/multistep` is commonly used in Go programming for implementing multi-step workflows or state machines.