in src/main/java/org/apache/maven/buildcache/CacheUtils.java [201:212]
public static <T> void debugPrintCollection(
Logger logger, Collection<T> values, String heading, String elementCaption) {
if (logger.isDebugEnabled() && values != null && !values.isEmpty()) {
final int size = values.size();
int i = 0;
logger.debug("{} (total {})", heading, size);
for (T value : values) {
i++;
logger.debug("{} {} of {} : {}", elementCaption, i, size, value);
}
}
}