public ExpressionContext(CodeExpression expression, Type expressionType, object owner, object presetValue)
{
Expression = expression.OrThrowIfNull();
ExpressionType = expressionType.OrThrowIfNull();
Owner = owner.OrThrowIfNull();
PresetValue = presetValue;
}
/// <summary>
/// This object can be placed on the context stack to represent the
/// object that is the root of the serialization hierarchy. In addition
/// to this instance, the RootContext also contains an expression that
/// can be used to reference the RootContext.
/// </summary>
public RootContext(CodeExpression expression, object value)
{
Expression = expression.OrThrowIfNull();
Value = value.OrThrowIfNull();
}