import "github.com/cockroachdb/pkg/client"

// Create a default Configuration object.
clientConfig := client.NewConfiguration(apiKey)

// Create a new client.
client := client.NewClient(clientConfig)

// Create a new service.
service := client.NewService(client)

requiredPathParam = "a_cluster_id"
requiredRequest := &client.OperationRequest{...}
optionalParams := &client.OperationOptions{...}

// Execute the request
apiResponse, httpResponse, err := := service.Operation(
	context.Background(), 
	requiredPathParam, 
	requiredRequest, 
	optionalParams,
)
if err != nil {
	// Process error
}

if apiResponse != nil {
	respJSON, err := apiResponse.MarshalJSON()
	if err != nil {
		// Process error
	}
	fmt.Println(string(respJSON))
}