code: public ConnectionResetSharedKeyInner resetSharedKey(String resourceGroupName, String virtualNetworkGatewayConnectionName, int keyLength) {
          return resetSharedKeyWithServiceResponseAsync(resourceGroupName, virtualNetworkGatewayConnectionName, keyLength).toBlocking().last().body();
      }
docs: The VirtualNetworkGatewayConnectionResetSharedKey operation resets the virtual network gateway connection shared key for passed virtual network gateway connection in the specified resource group through Network resource provider.
  
  @param resourceGroupName The name of the resource group.
  @param virtualNetworkGatewayConnectionName The virtual network gateway connection reset shared key Name.
  @param keyLength The virtual network connection reset shared key length, should between 1 and 128.
  @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
  @return the ConnectionResetSharedKeyInner object if successful.