/// <inheritdoc /> public async Task <bool> StopHistoryObservationOfIncomingTransactionsAsync(string address) { ValidateAddressIsNotEmpty(address); try { await _runner.RunWithRetriesAsync(() => _api.StopHistoryObservationOfIncomingTransactionsAsync(address)); return(true); } catch (ErrorResponseException ex) when(ex.StatusCode == HttpStatusCode.NoContent) { return(false); } }