code: public void beginDelete(String resourceGroupName, String virtualNetworkGatewayConnectionName) {
          beginDeleteWithServiceResponseAsync(resourceGroupName, virtualNetworkGatewayConnectionName).toBlocking().single().body();
      }
docs: Deletes the specified virtual network Gateway connection.
  
  @param resourceGroupName The name of the resource group.
  @param virtualNetworkGatewayConnectionName The name of the virtual network gateway connection.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent