excludeKeys method
Returns a copy of this map without keysToExclude.
Implementation
Map<K, V> excludeKeys(List<K> keysToExclude) {
if (isEmpty || keysToExclude.isEmpty) return Map<K, V>.from(this);
return {
for (final entry in entries)
if (!keysToExclude.contains(entry.key)) entry.key: entry.value,
};
}