Adds state to the request that the receiver must return in the response.
Adds a continuation previously received from the recipient.
Adds an optional continuation previously received from the recipient.
Returns the underlying request.
Returns the sender of the request.
Returns the state to be sent to the recipient.
Returns the continuation received from the recipient.
Interface that defines the behavior of a sealed request.
Extends RequestBehavior with additional methods for managing sender information and state continuations.