| Class | Description | 
                            | CodeGenConfig | A ConfigMap implementation used at codegen time | 
                            | CompositeConfig | A Config composed of other Configs | 
                            | EnvironmentAwarePropertySource | A PropertySource aware of the Grails environment and that resolves keys based on the environment from other property sources | 
                            | FlatConfig | @author Graeme Rocher | 
                            | NavigableMap |  | 
                            | NavigableMap.NullSafeNavigator |  | 
                            | NavigableMapConfig | A Config implementation that operates against a NavigableMap | 
                            | NavigableMapPropertySource | A org.springframework.core.env.PropertySource that doesn't return values for navigable submaps | 
                            | PrefixedConfig | A config that accepts a prefix | 
                            | PrefixedMapPropertySource | A org.springframework.core.env.PropertySource with keys prefixed by the given prefix | 
                            | PropertySourcesConfig | @author Graeme Rocher |