import com.google.common.annotations.GwtIncompatible;
import org.jspecify.annotations.Nullable;

/**
 * Represents a {@linkplain System#getProperties() standard system property}.
 *
 * @author Kurt Alfred Kluever
 * @since 15.0
 */
@GwtIncompatible // java.lang.System#getProperty
public enum StandardSystemProperty {

  /** Java Runtime Environment version. */
  JAVA_VERSION("java.version"),

            if (item == null) {
                return new SuggestIndexResponse(0, 1, null, System.currentTimeMillis() - start);
            }
            final long parseTime = System.currentTimeMillis();
            final SuggestIndexResponse response = index(item);
            final long indexTime = System.currentTimeMillis();
            if (logger.isInfoEnabled()) {

        System.out.printf("%.2f Executing call.%n", (System.nanoTime() - startNanos) / 1e9f)
        try {
          call.execute().use { response ->
            System.out.printf("%.2f Call was expected to fail, but completed: %s%n",
                (System.nanoTime() - startNanos) / 1e9f, response)
          }
        } catch (e: IOException) {
          System.out.printf("%.2f Call failed as expected: %s%n",

        }
    }

    private static final ArtifactScopeEnum[][][] COMPLIANCY_SETS = {
        {{compile}, {compile, provided, system}},
        {{test}, {compile, test, provided, system}},
        {{runtime}, {compile, runtime, system}},
        {{provided}, {compile, test, provided}}
    };

    /**
     * scope relationship function. Used by the graph conflict resolution policies
     *

        final long start1 = System.nanoTime();
        controller.delayBeforeProcessing();
        final long elapsed1 = (System.nanoTime() - start1) / 1000000;
        assertTrue("First access should not delay", elapsed1 < 50);

        // Second access to same host - should delay
        q.setUrl("http://example.com/page2");
        final long start2 = System.nanoTime();
        controller.delayBeforeProcessing();

        StringWriter sWriter = new StringWriter();
        PrintWriter pWriter = new PrintWriter(sWriter);

        error.printStackTrace(pWriter);

        System.err.println("[error] " + content + System.lineSeparator() + System.lineSeparator() + sWriter);
    }

    /**
     * @see org.apache.maven.plugin.logging.Log#error(java.lang.Throwable)
     */
    @Override

    if (future.isDone()) {
      return;
    }
    long timeoutSeconds = timeoutSeconds();
    long deadline = System.nanoTime() + SECONDS.toNanos(timeoutSeconds);
    do {
      System.runFinalization();
      if (future.isDone()) {
        return;
      }
      System.gc();
      try {
        future.get(1L, SECONDS);
        return;
      } catch (CancellationException | ExecutionException ok) {

        byte[] buffer2 = new byte[100];

        System.arraycopy(firstData, 0, buffer1, 0, firstData.length);
        System.arraycopy(secondData, 0, buffer2, 0, secondData.length);

        // First read
        response.readDataWireFormat(buffer1, 0, firstData.length);
        byte[] firstResult = new byte[firstData.length];
        System.arraycopy(outputBuffer, 0, firstResult, 0, firstData.length);

            System.err.println("ERROR: Failed to read .mvn/jvm.config: " + e.getMessage());
            System.err.println("Please check file permissions and syntax.");
            System.err.flush();
            System.exit(1);
        }
    }

    /**
     * Parse jvm.config file and return formatted arguments.
     * Package-private for testing.
     */

                    .forEach(repo -> System.out.println("  - " + repo.getId() + " (" + repo.getUrl() + ")"));

            System.out.println("Child2 project repositories:");
            child2Project
                    .getRemoteArtifactRepositories()
                    .forEach(repo -> System.out.println("  - " + repo.getId() + " (" + repo.getUrl() + ")"));
            System.out.println("=======================================");