code: public VpnClientIPsecParametersInner getVpnclientIpsecParameters(String resourceGroupName, String virtualNetworkGatewayName) {
          return getVpnclientIpsecParametersWithServiceResponseAsync(resourceGroupName, virtualNetworkGatewayName).toBlocking().last().body();
      }
docs: The Get VpnclientIpsecParameters operation retrieves information about the vpnclient ipsec policy for P2S client of virtual network gateway in the specified resource group through Network resource provider.
  
  @param resourceGroupName The name of the resource group.
  @param virtualNetworkGatewayName The virtual network gateway name.
  @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 VpnClientIPsecParametersInner object if successful.