/** <inheritDoc /> */
public Task <bool> RemoveAsync(TK key, TV val)
{
AsyncInstance.Remove(key, val);
return(AsyncInstance.GetTask <bool>(CacheOp.RemoveBool));
}
/** <inheritDoc /> */
public Task <bool> RemoveAsync(TK key)
{
AsyncInstance.Remove(key);
return(AsyncInstance.GetTask <bool>(CacheOp.RemoveObj));
}