true if the key existed and was removed, false otherwise. When this value is Type.NULL,
removal is a no-op and returns false. If this value is neither Type.NULL nor map, an
- assertion fails.
bool remove(string key) @safeRemove a child by key from the map.
true if the key existed and was removed, false otherwise. When this value is Type.NULL,
removal is a no-op and returns false. If this value is neither Type.NULL nor map, an