IConfigurationStore
The contract used by the kernel to obtain
              external configuration for the components and
              facilities.
            
                
Adds the child container configuration.
            
Associates a configuration node with a component key
            
Associates a configuration node with a facility key
            
Returns the configuration node associated with 
              the specified child container key. Should return null
              if no association exists.
            
Returns the configuration node associated with 
              the specified component key. Should return null
              if no association exists.
            
Returns all configuration nodes for components
            
Gets the child containers configuration nodes.
            
Returns all configuration nodes for facilities
            
Returns the configuration node associated with 
              the specified facility key. Should return null
              if no association exists.
            
Returns all configuration nodes for installers