public ConditionNotExpression(ConditionExpression expr)
{
this.expr = expr;
}
/// <summary>
/// Creates a new instance of <see cref="ConditionAndExpression"/> and assigns
/// its Left and Right properties;
/// </summary>
/// <param name="left">Left hand side of the AND expression.</param>
/// <param name="right">Right hand side of the AND expression.</param>
public ConditionAndExpression(ConditionExpression left, ConditionExpression right)
{
this.Left = left;
this.Right = right;
}