merge method
Merges the properties of another FastResponseAdAsset model with this one.
This method creates a new FastResponseAdAsset object with properties
from the given model, overriding the properties specified in the model
.
Implementation
@override
FastResponseAdAsset merge(covariant FastResponseAdAsset model) {
return copyWith(
small: model.small,
medium: model.medium,
large: model.large,
);
}