code: public ServiceFuture<ConnectionSharedKeyInner> setSharedKeyAsync(String resourceGroupName, String virtualNetworkGatewayConnectionName, ConnectionSharedKeyInner parameters, final ServiceCallback<ConnectionSharedKeyInner> serviceCallback) {
          return ServiceFuture.fromResponse(setSharedKeyWithServiceResponseAsync(resourceGroupName, virtualNetworkGatewayConnectionName, parameters), serviceCallback);
      }
docs: The Put VirtualNetworkGatewayConnectionSharedKey operation sets 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 name.
  @param parameters Parameters supplied to the Begin Set Virtual Network Gateway connection Shared key operation throughNetwork resource provider.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object