public static int executionStrategy(ParseResult parseResult) {
        getTopLevelCommandLoggingMixin(parseResult.commandSpec()).configureLoggers();
        return new CommandLine.RunLast().execute(parseResult);
    }
Taken from https://github.com/remkop/picocli/blob/master/picocli-examples/src/main/java/picocli/examples/logging_mixin_advanced/LoggingMixin.java
migration-assistant/src/main/java/io/apiman/migration/util/LoggingMixin.java