const exitStr = "exitcode="

	// Build a regexp that matches any prefix of the exit string at the end of
	// the input. We do it this way to avoid assuming anything about the
	// subcommand output (e.g., it might not be \n-terminated).
	var exitReStr strings.Builder
	for i := 1; i <= len(exitStr); i++ {
		fmt.Fprintf(&exitReStr, "%s$|", exitStr[:i])
	}

    return new Exiter(Runtime.getRuntime()::exit);
  }

  @VisibleForTesting
  interface RuntimeWrapper {
    void exit(int status);
  }

  @VisibleForTesting
  static final class Exiter implements UncaughtExceptionHandler {
    private static final LazyLogger logger = new LazyLogger(Exiter.class);

    private final RuntimeWrapper runtime;

    Exiter(RuntimeWrapper runtime) {

import static org.mockito.Mockito.verify;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.util.concurrent.UncaughtExceptionHandlers.Exiter;
import com.google.common.util.concurrent.UncaughtExceptionHandlers.RuntimeWrapper;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * @author Gregory Kick
 */
@NullUnmarked

import static org.mockito.Mockito.verify;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.util.concurrent.UncaughtExceptionHandlers.Exiter;
import com.google.common.util.concurrent.UncaughtExceptionHandlers.RuntimeWrapper;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * @author Gregory Kick
 */
@NullUnmarked