public boolean isWarnEnabled() {
        return false;
    }

    public void warn(String msg) {}

    public void warn(String format, Object arg) {}

    public void warn(String format, Object... arguments) {}

    public void warn(String format, Object arg1, Object arg2) {}

    public void warn(String msg, Throwable t) {}

    public boolean isWarnEnabled(Marker marker) {
        return false;

    /**
     * {@return true if the <b>warn</b> error level is enabled}
     */
    boolean isWarnEnabled();

    /**
     * Sends a message to the user in the <b>warn</b> error level.
     *
     * @param content the message to log
     */
    void warn(CharSequence content);

    /**
     * Sends a message (and accompanying exception) to the user in the <b>warn</b> error level.

            logger.warn("The metadata {} {}{}", metadata, errorType, msg, exception);
        } else {
            logger.warn("The metadata {} {}{}", metadata, errorType, msg);
        }
    }

    @Override
    public void artifactDescriptorInvalid(RepositoryEvent event) {
        // The exception stack trace is not really interesting here
        logger.warn(

    /**
     * @return true if the <b>warn</b> error level is enabled
     */
    boolean isWarnEnabled();

    /**
     * Send a message to the user in the <b>warn</b> error level.
     *
     * @param content
     */
    void warn(CharSequence content);

    /**
     * Send a message (and accompanying exception) to the user in the <b>warn</b> error level.<br>

            thumbnailQueueThread.join(10000);
        } catch (final InterruptedException e) {
            logger.warn("Thumbnail thread is timeouted.", e);
        }
        generatorList.forEach(g -> {
            try {
                g.destroy();
            } catch (final Exception e) {
                logger.warn("Failed to stop thumbnail generator.", e);
            }
        });
    }

    @Override
    public boolean isWarnEnabled() {
        return logger.isWarnEnabled();
    }

    @Override
    public void warn(final String message) {
        logger.warn(message);
    }

    @Override
    public void warn(final String message, final Throwable t) {
        logger.warn(message, t);
    }

    @Override
    public boolean isInfoEnabled() {
        return logger.isInfoEnabled();
    }

                    } catch (final Exception e) {
                        logger.warn("Failed to install {}", filename, e);
                    } finally {
                        if (tempFile.exists() && !tempFile.delete()) {
                            logger.warn("Failed to delete {}.", tempFile.getAbsolutePath());
                        }
                    }
                }).start();

}

// FilterTargetArns returns a slice of distinct target arns in the config
func (c Config) FilterTargetArns(obj ObjectOpts) []string {
	var arns []string

	tgtsMap := make(map[string]struct{})
	rules := c.FilterActionableRules(obj)
	for _, rule := range rules {
		if rule.Status == Disabled {
			continue
		}
		if c.RoleArn != "" {
			arns = append(arns, c.RoleArn) // use legacy RoleArn if present
			return arns

        }
    }

    /**
     * WARN情報を出力します。
     *
     * @param message
     *            メッセージ
     * @param throwable
     *            例外
     */
    public void warn(final Object message, final Throwable throwable) {
        log.warn(toString(message), throwable);
    }

    /**
     * WARN情報を出力します。
     *
     * @param message
     *            メッセージ

                    logger.warn("Could not close a process output stream.", e);
                } finally {
                    latch.countDown();
                }
            }, "ProcessCloser-output-" + sessionId).start();

            try {
                latch.await(10, TimeUnit.SECONDS);
            } catch (final InterruptedException e) {
                logger.warn("Interrupted to wait a process.", e);