import static java.util.Objects.requireNonNull;

/**
 * @since 3.1.0
 */
public class Slf4jStdoutLogger implements Logger {
    private static final String ERROR = "[ERROR] ";

    private final PrintStream out;

    public Slf4jStdoutLogger() {
        this(System.out);
    }

    public Slf4jStdoutLogger(PrintStream out) {
        this.out = requireNonNull(out);
    }

    //