in aws-mwaa-environment/src/main/java/software/amazon/mwaa/TagProcessor.java [83:89]
public Collection<String> getTagsToRemove(final Map<String, String> desiredTags) {
if (desiredTags == null || desiredTags.isEmpty() || currentTags.isEmpty()) {
return currentTags.keySet();
}
return getKeysInCurrentNotInDesired(desiredTags);
}