/// <summary>
/// Called when the updateable is removed from its solver.
/// </summary>
/// <param name="oldSolver">Solver from which the updateable was removed.</param>
public virtual void OnRemovalFromSolver(Solver oldSolver)
{
}
///<summary>
/// Called when the updateable is added to a solver.
///</summary>
///<param name="newSolver">Solver to which the updateable was added.</param>
public virtual void OnAdditionToSolver(Solver newSolver)
{
}
