code: public ExpressRouteCrossConnectionInner getByResourceGroup(String resourceGroupName, String crossConnectionName) {
          return getByResourceGroupWithServiceResponseAsync(resourceGroupName, crossConnectionName).toBlocking().single().body();
      }
docs: Gets details about the specified ExpressRouteCrossConnection.
  
  @param resourceGroupName The name of the resource group (peering location of the circuit).
  @param crossConnectionName The name of the ExpressRouteCrossConnection (service key of the circuit).
  @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 ExpressRouteCrossConnectionInner object if successful.