Adds a service to the environment.
Retrieves a service from the environment.
Prunes the environment to the set of services statically known to be contained within it.
Combines this environment with the specified environment.
Combines this environment with the specified environment.
Combines this environment with the specified environment. In the event of service collisions, which may not be reflected in statically known types, the right hand side will be preferred.
Updates a service in the environment.