public override bool Equals(object o)
{
if (this == o)
{
return(true);
}
if (o == null || GetType() != o.GetType())
{
return(false);
}
SearchGroup <TGroupValue> that = (SearchGroup <TGroupValue>)o;
if (GroupValue == null)
{
if (that.GroupValue != null)
{
return(false);
}
}
else if (!GroupValue.Equals(that.GroupValue))
{
return(false);
}
return(true);
}