IExternalCodeCompletionProviderCore
                        interface IExternalCodeCompletionProviderCore
                    
                    
                    
Types that have already been imported into the scope
            
Already discovered variable types
            
Generate completion data for the specified text, while import the given types into the
            scope and discovering variable assignments.
            
Try to generate a description from a typename.
            
Used to load initialize libraries and types that should be available by default.
            
Used to determine if this IExternalCodeCompletionProviderCore can provide completions for the given engine.
            
            