}

        public Builder userHome(Path userHome) {
            this.userHome = userHome;
            return this;
        }

        public Builder stdIn(InputStream stdIn) {
            this.stdIn = stdIn;
            return this;
        }

        public Builder stdOut(OutputStream stdOut) {
            this.stdOut = stdOut;
            return this;
        }

     */
    public static int main(
            String[] args,
            ClassWorld world,
            @Nullable InputStream stdIn,
            @Nullable OutputStream stdOut,
            @Nullable OutputStream stdErr)
            throws IOException {
        return new MavenCling(world).run(args, stdIn, stdOut, stdErr, true);
    }

    public MavenCling() {
        super();
    }

     */
    public static int main(
            String[] args,
            ClassWorld world,
            @Nullable InputStream stdIn,
            @Nullable OutputStream stdOut,
            @Nullable OutputStream stdErr)
            throws IOException {
        return new MavenEncCling(world).run(args, stdIn, stdOut, stdErr, true);
    }

    public MavenEncCling() {
        super();
    }

     */
    public static int main(
            String[] args,
            ClassWorld world,
            @Nullable InputStream stdIn,
            @Nullable OutputStream stdOut,
            @Nullable OutputStream stdErr)
            throws IOException {
        return new MavenShellCling(world).run(args, stdIn, stdOut, stdErr, true);
    }

    public MavenShellCling() {
        super();
    }

}

func errCastFailure(msg string) error {
	return fmt.Errorf("Error casting: %s", msg)
}

// Allowed cast types
const (
	castBool      = "BOOL"
	castInt       = "INT"
	castInteger   = "INTEGER"
	castString    = "STRING"
	castFloat     = "FLOAT"
	castDecimal   = "DECIMAL"
	castNumeric   = "NUMERIC"
	castTimestamp = "TIMESTAMP"
)

     */
    public static int main(
            String[] args,
            ClassWorld world,
            @Nullable InputStream stdIn,
            @Nullable OutputStream stdOut,
            @Nullable OutputStream stdErr)
            throws IOException {
        return new MavenUpCling(world).run(args, stdIn, stdOut, stdErr, true);
    }

    public MavenUpCling() {
        super();
    }

     *
     * @return an {@link Optional} containing the input stream, or empty if not applicable
     */
    @Nonnull
    default Optional<InputStream> stdIn() {
        return Optional.ofNullable(parserRequest().stdIn());
    }

    /**
     * Returns the output stream for the Maven execution, if running in embedded mode.
     *

 *
 * Usage (Java 11+ single-file source execution):
 *   java .teamcity/scripts/CheckWrapper.java < commits.txt
 *
 * Reads commit SHAs from stdin (one per line), checks wrapper per commit.
 */
public class CheckWrapper {
    private static final ExecutorService THREAD_POOL = Executors.newCachedThreadPool();

    private static final Pattern ALLOWED_WRAPPER_VERSION =

        }
    }

    @Test
    public void test_sendCommand_withRunningProcess() {
        String sessionId = "test_send_command";
        List<String> cmdList = Arrays.asList("cat"); // cat reads from stdin
        Consumer<ProcessBuilder> pbCall = pb -> {
            pb.redirectErrorStream(true);
        };

        try {
            JobProcess jobProcess = processHelper.startProcess(sessionId, cmdList, pbCall);

	// #include <stdio.h>
	// #include <stdlib.h>
	//
	// static void myprint(char* s) {
	//   printf("%s\n", s);
	// }
	import "C"
	import "unsafe"

	func main() {
		cs := C.CString("Hello from stdio")
		C.myprint(cs)
		C.free(unsafe.Pointer(cs))
	}

A few special functions convert between Go and C types
by making copies of the data. In pseudo-Go definitions: