const mixinafIocConfig::ApplicationDefaults

(Service) - Contribute to set application default @Config values, overriding any factory defaults.

class AppModule {

  @Contribute { serviceType=ApplicationDefaults# }
  static Void contributeApplicationDefaults(MappedConfig config) {
    config["config.id"] = "Config Value"
  }

Config values can be any immutable value.

@uses a MappedConfig of Str:Obj of IDs to Objs. Obj values must be immutable.