code: public ServerConnectionPolicyInner createOrUpdate(String resourceGroupName, String serverName, ServerConnectionType connectionType) {
          return createOrUpdateWithServiceResponseAsync(resourceGroupName, serverName, connectionType).toBlocking().single().body();
      }
docs: Creates or updates the server's connection policy.
  
  @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
  @param serverName The name of the server.
  @param connectionType The server connection type. Possible values include: 'Default', 'Proxy', 'Redirect'
  @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 ServerConnectionPolicyInner object if successful.