/// <summary>
/// Visits the <paramref name="expression" />.
/// </summary>
/// <param name="expression">The <see cref="Expression" /> instance that should be visited.</param>
protected virtual void DefaultVisit(Expression expression)
{
DefaultVisit((BoundNode)expression);
}
/// <summary> /// Gets a value indicating whether this instance is structurally equivalent to <paramref name="expression" />. /// </summary> /// <param name="expression">The expression this instance should be structurally equivalent to.</param> internal abstract bool IsStructurallyEquivalent(Expression expression);
