/// <summary>
/// Delete ALL entities.
/// </summary>
/// <typeparam name="T">The type of entity to delete.</typeparam>
/// <returns>
/// True if deleted, false if not found.
/// </returns>
public async Task <bool> DeleteAllAsync <T>() where T : class => await ExecuteInternalAsync(() =>
SharedConnection.DeleteAllAsync <T>(_transaction, OneTimeCommandTimeout ?? CommandTimeout));