internal static ICollection <EventBean> FirstColl(object value)
 {
     return(value != null
                         ? Collections.SingletonList(AggregatorAccessSortedImpl.CheckedPayloadMayDeque(value))
                         : null);
 }
 internal static ICollection <EventBean> FirstColl(KeyValuePair <object, object>?entry)
 {
     return(entry != null
                         ? Collections.SingletonList(AggregatorAccessSortedImpl.CheckedPayloadMayDeque(entry.Value.Value))
                         : null);
 }
 internal static EventBean FirstBean(object value)
 {
     return(value != null
                         ? AggregatorAccessSortedImpl.CheckedPayloadMayDeque(value)
                         : null);
 }
 internal static EventBean FirstBean(KeyValuePair <object, object>?entry)
 {
     return(entry != null
                         ? AggregatorAccessSortedImpl.CheckedPayloadMayDeque(entry.Value.Value)
                         : null);
 }
 internal static object FirstUnd(object value)
 {
     return(value != null
                         ? AggregatorAccessSortedImpl.CheckedPayloadMayDeque(value).Underlying
                         : null);
 }
 internal static object FirstUnd(KeyValuePair <object, object>?entry)
 {
     return(entry != null
                         ? AggregatorAccessSortedImpl.CheckedPayloadMayDeque(entry.Value.Value).Underlying
                         : null);
 }