New returns a new Request pointer for the service API operation and parameters.

A HandlerList manages zero or more handlers in a list.

A Handlers provides a collection of request handlers for various stages of handling requests.

A NamedHandler is a struct that contains a name and function callback.

An Operation is the service API operation to be made.

Paginator keeps track of pagination configuration for an API operation.

A Request is the service request to be made.

Retryer is an interface to control retry logic for a given service.