Agent hierarchy
===============

Service		net.connman.iwd
Interface	net.connman.iwd.AgentManager
Object path	/

Methods		void RegisterAgent(object path)

			Register new agent for handling user requests.

			Possible Errors: [service].Error.InvalidArguments
					 [service].Error.Failed
					 [service].Error.AlreadyExists

		void UnregisterAgent(object path)

			Unregister an existing agent.

			Possible Errors: [service].Error.InvalidArguments
					 [service].Error.Failed
					 [service].Error.NotFound