in runAs-agent/src/main/java/jetbrains/buildServer/runAs/agent/LogUtils.java [15:27]
public static <T> String toString(@Nullable final Iterable<T> iterable) {
if(iterable == null) {
return Nothing;
}
return StringUtil.join(", ",
CollectionsUtil.convertSet(iterable, new Converter<String, T>() {
@Override
public String createFrom(@NotNull final T item) {
return item.toString();
}
}));
}