AnyDocsAnd [ AnyDocsOr [ AnyDocsSingle EnvDoc { envDocVars = "CONFIG_FILE" :| [] , envDocDefault = Nothing , envDocExamples = [] , envDocMetavar = Just "FILE_PATH" , envDocHelp = Just "Path to the configuration file" } ] , AnyDocsSingle EnvDoc { envDocVars = "FOO_BAR_QUUX" :| [] , envDocDefault = Nothing , envDocExamples = [] , envDocMetavar = Just "STR" , envDocHelp = Just "Example with sub-settings" } ]