*/
    public static String getEnv(String key, String defaultValue) {
        return System.getenv().getOrDefault(key, defaultValue);
    }

    /**
     * Returns the current time in milliseconds.
     *
     * @return the current time in milliseconds
     */
    public static long currentTimeMillis() {
        // TODO provider
        return System.currentTimeMillis();
    }

  static void requestInterruptIn(long time, TimeUnit unit) {
    checkNotNull(unit);
    Thread interruptee = Thread.currentThread();
    new Thread(
            new Runnable() {
              @Override
              public void run() {
                try {
                  unit.sleep(time);
                } catch (InterruptedException wontHappen) {

        crawlingInfoHelper.putToInfoMap(Constants.WEB_FS_CRAWLING_EXEC_TIME, Long.toString(execTime));
        if (logger.isInfoEnabled()) {
            logger.info("[EXEC TIME] crawling time: {}ms", execTime);
        }

        indexUpdater.setFinishCrawling(true);
        try {
            indexUpdater.join();
        } catch (final InterruptedException e) {

import static org.apache.commons.io.FileUtils.ONE_PB_BI;
import static org.apache.commons.io.FileUtils.ONE_TB_BI;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.time.LocalDateTime;
import java.time.ZonedDateTime;
import java.util.Collection;
import java.util.Date;
import java.util.Map;
import java.util.Objects;

/**
 * Utility class for memory operations and size calculations.
 */

			}
			if len(args) > 0 {
				apiString += "(" + args + ")"
			}
		}
	} else {
		apiString = "INTERNAL"
	}
	timeString := "Time: " + entry.Time.Format(logger.TimeFormat)

	var deploymentID string
	if entry.DeploymentID != "" {
		deploymentID = "\nDeploymentID: " + entry.DeploymentID
	}

	var requestID string
	if entry.RequestID != "" {

import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.lang.reflect.Field;
import java.lang.reflect.Method;

import org.junit.jupiter.api.BeforeEach;

    protected String mimeType;

    /** The creation time of the access result. */
    protected Long createTime;

    /** The execution time of the access. */
    protected Integer executionTime;

    /** The content length of the accessed resource. */
    protected Long contentLength;

    /** The last modified time of the accessed resource. */
    protected Long lastModified;

        } catch (final ExecutionException e) {
            throw new CrawlerSystemException(e);
        }
    }

    /**
     * Sets the filter cache expiration time.
     * @param filterCacheExpireAfterWrite The expiration time in seconds.
     */
    public void setFilterCacheExpireAfterWrite(final int filterCacheExpireAfterWrite) {
        this.filterCacheExpireAfterWrite = filterCacheExpireAfterWrite;
    }

import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;

        // Assert
        assertSame(tree, t1, "First acquire returns provided tree");
        assertSame(tree, t2, "Subsequent acquire returns same tree instance");
        verify(pipe, times(1)).ensureTreeConnected();
        verify(tree, times(2)).acquire();
    }

    @Test
    @DisplayName("getInput/getOutput return cached streams when open; throw when closed")
    void getInputOutput_caching_and_closed() throws Exception {