if (!missing.isEmpty()) {
                System.err.println("Missing required properties in gradle.properties:");
                for (String k : missing) {
                    System.err.println("  - " + k);
                }
            }
            if (!empty.isEmpty()) {
                System.err.println("Properties with empty values in gradle.properties:");
                for (String k : empty) {

            }

            println(
                    "transferSucceeded",
                    type + ": " + resource.getRepositoryUrl() + resource.getResourceName() + " (" + len + throughput
                            + ")");
        }
    }

    @Override
    public void transferFailed(TransferEvent event) {
        transferCompleted(event);

        println(
                "transferFailed",

        if (tlsVersions.contains(TLS_1_2)) {
          println("TLSv1.2 traffic will be logged automatically and available via wireshark")
        }

        if (tlsVersions.contains(TLS_1_3)) {
          println("TLSv1.3 requires an external command run before first traffic is sent")
          println("Follow instructions at https://github.com/neykov/extract-tls-secrets for TLSv1.3")
          println("Pid: ${ProcessHandle.current().pid()}")

                    writer.println("<h3>In $project</h3>")
                    writer.println("<ul>")
                    problems.forEach {
                        writer.println("   <li>${it.name.escape()}</li>")
                    }
                    writer.println("</ul>")
                }
            }
            writer.println("</body></html>")
        }
    }

    private

                                .param("q", "curl4j")
                                .header("Accept", "application/json")
                                .execute()) {
    System.out.println("Status: " + response.getHttpStatusCode());
    System.out.println(response.getContentAsString());
}
```

### Asynchronous request

```java
import org.codelibs.curl.Curl;

Curl.post("https://api.example.com/items")

                // dump things out
                System.out.println("===================================================");
                System.out.println("args: " + Arrays.toString(mvnArgs.toArray()));
                System.out.println("===================================================");
                System.out.println("stdout: " + stdout);
                System.out.println("===================================================");

        pw.println("# ");
        pw.println("# The Main  ");
        pw.println("# ");
        pw.println("# Comment ");
        pw.println("# ");
        pw.println("");
        pw.println("# Another comment");
        pw.println("");
        pw.println("# A value comment");
        pw.println("key1 = val1");
        pw.println("");
        pw.println("# Another value comment");

    private fun NodeWriter.element(element: ArchitectureElement) {
        println()
        node("${element.id}[\"${element.name} module\"]")
        node("style ${element.id} stroke:#1abc9c,fill:#b1f4e7,stroke-width:2px,color:#000;")
    }

    private class NodeWriter(private val writer: PrintWriter, private val indent: String) {
        fun println() {
            writer.println()
        }

        fun node(node: String) {

        System.out.println("[" + prefix + "] " + content.toString());
    }

    private void print(String prefix, Throwable error) {
        StringWriter sWriter = new StringWriter();
        PrintWriter pWriter = new PrintWriter(sWriter);

        error.printStackTrace(pWriter);

        System.out.println("[" + prefix + "] " + sWriter);
    }

        .newBuilder()
        .readTimeout(500, TimeUnit.MILLISECONDS)
        .build()
    try {
      client1.newCall(request).execute().use { response ->
        println("Response 1 succeeded: $response")
      }
    } catch (e: IOException) {
      println("Response 1 failed: $e")
    }

    // Copy to customize OkHttp for this request.
    val client2 =
      client
        .newBuilder()