The time the clashes in the group were approved, or null if group has more than one approved-time amongst its members. If the result is not approved then the value may be obsolete.

Public Overridable Property ApprovedTime As Nullable(Of DateTime)
	Get
	Set

public virtual Nullable<DateTime> ApprovedTime { get; set; }

public:
virtual property Nullable<DateTime> ApprovedTime {
	Nullable<DateTime> get ();
	void set (Nullable<DateTime> value);
}