'ObjectDisposedException' does not contain a definition for 'ThrowIf'

'ObjectDisposedException' does not contain a definition for 'ThrowIf'

'Queue<Notification<T>>' does not contain a definition for 'TryDequeue' and no accessible extension method 'TryDequeue' accepting a first argument of type 'Queue<Notification<T>>' could be found (are you missing a using directive or an assembly reference?)

'Queue<(long timestamp, Notification<T> value)>' does not contain a definition for 'TryPeek' and no accessible extension method 'TryPeek' accepting a first argument of type 'Queue<(long timestamp, Notification<T> value)>' could be found (are you missing a using directive or an assembly reference?)

'Queue<(long timestamp, Notification<T> value)>' does not contain a definition for 'TryPeek' and no accessible extension method 'TryPeek' accepting a first argument of type 'Queue<(long timestamp, Notification<T> value)>' could be found (are you missing a using directive or an assembly reference?)

'ObjectDisposedException' does not contain a definition for 'ThrowIf'

'ObjectDisposedException' does not contain a definition for 'ThrowIf'

'IEnumerable<T>' does not contain a definition for 'TryGetNonEnumeratedCount' and no accessible extension method 'TryGetNonEnumeratedCount' accepting a first argument of type 'IEnumerable<T>' could be found (are you missing a using directive or an assembly reference?)

'ObjectDisposedException' does not contain a definition for 'ThrowIf'

'MemoryMarshal' does not contain a definition for 'CreateReadOnlySpan'

Possible null reference argument for parameter 'y' in 'int IComparer<TKey>.Compare(TKey x, TKey y)'.

Possible null reference argument for parameter 'y' in 'int IComparer<TKey>.Compare(TKey x, TKey y)'.

Nullability of reference types in value of type '?' doesn't match target type 'int'.

Possible null reference argument for parameter 'y' in 'int IComparer<TKey>.Compare(TKey x, TKey y)'.

Possible null reference argument for parameter 'y' in 'int IComparer<TKey>.Compare(TKey x, TKey y)'.

Nullability of reference types in value of type '?' doesn't match target type 'int'.

Nullability of reference types in value of type '?' doesn't match target type 'int'.

Possible null reference argument for parameter 'y' in 'int IComparer<TKey>.Compare(TKey x, TKey y)'.

Possible null reference argument for parameter 'y' in 'int IComparer<TKey>.Compare(TKey x, TKey y)'.