DropTableOperation.RemovedColumnAnnotations Property
Gets custom annotations that exist on columns of the table that is being dropped.
Assembly: EntityFramework (in EntityFramework.dll)
[SuppressMessageAttribute("Microsoft.Design", "CA1006:DoNotNestGenericTypesInMemberSignatures")] public IDictionary<string, IDictionary<string, object>> RemovedColumnAnnotations { get; }