*
 * @author Chris Povirk
 * @since 10.0
 */
@DoNotMock(
    "Use TestingExecutors.sameThreadScheduledExecutor, or wrap a real Executor from "
        + "java.util.concurrent.Executors with MoreExecutors.listeningDecorator")
@GwtIncompatible
public interface ListeningExecutorService extends ExecutorService {
  /**
   * @return a {@code ListenableFuture} representing pending completion of the task

{* ../../docs_src/settings/app03_an_py39/main.py hl[1,11] *}

Then for any subsequent call of `get_settings()` in the dependencies for the next requests, instead of executing the internal code of `get_settings()` and creating a new `Settings` object, it will return the same object that was returned on the first call, again and again.

#### `lru_cache` Technical Details { #lru-cache-technical-details }

	//fmt.Printf("Operand: %v\n", p.input)
	if len(p.input) == 0 {
		p.errorf("empty operand: cannot happen")
		return
	}
	// General address (with a few exceptions) looks like
	//	$sym±offset(SB)(reg)(index*scale)
	// Exceptions are:
	//
	//	R1
	//	offset
	//	$offset
	// Every piece is optional, so we scan left to right and what
	// we discover tells us where we are.

	// Prefix: $.

    /** The key of the message: Crawler Execution Time */
    public static final String LABELS_crawling_info_CrawlerExecTime = "{labels.crawling_info_CrawlerExecTime}";

    /** The key of the message: Crawler Status */
    public static final String LABELS_crawling_info_CrawlerStatus = "{labels.crawling_info_CrawlerStatus}";

    /** The key of the message: Crawl Execution Time (Web/File) */

            throw new ThemeException("Theme name is empty: " + artifact);
        }
        return themeName;
    }

    /**
     * Recursively deletes a directory and all its contents.
     * Does not throw exceptions, only logs warnings if deletion fails.
     *
     * @param dir the directory to delete
     */
    protected void closeQuietly(final Path dir) {
        if (Files.notExists(dir)) {

        assertTrue(UniAddress.isAllDigits(""), "isAllDigits should return true for empty string (no non-digits)");
    }

    /* ---------------------------------------------------------------------
     * 4. Exceptions from static methods that don't resolve without stubbing
     * --------------------------------------------------------------------- */
    @Test
    void getAllByNameRejectsNullOrEmptyHostname() {

        verify(mockChannelManager, atLeast(1)).establishReplacementChannel();
    }

    @Test
    void testShutdown() {
        failover.shutdown();

        // Should not throw any exceptions
        assertDoesNotThrow(() -> failover.shutdown());
    }

    @Test
    void testConcurrentFailureHandling() throws InterruptedException {
        IOException error = new IOException("Connection failed");

            });
            threads[i].start();
        }

        for (Thread thread : threads) {
            thread.join(1000);
        }

        // Should complete without exceptions
    }

import org.junit.jupiter.api.extension.BeforeEachCallback
import org.junit.jupiter.api.extension.ExtensionContext

/**
 * Apply this rule to all tests. It adds additional checks for leaked resources and uncaught
 * exceptions.
 *
 * Use [newClient] as a factory for a OkHttpClient instances. These instances are specifically
 * configured for testing.
 */
class OkHttpClientTestRule :
  BeforeEachCallback,
  AfterEachCallback {

 * limitations under the License.
 */

package com.google.common.testing;

import static com.google.common.testing.ReflectionFreeAssertThrows.assertThrows;
import static java.util.concurrent.Executors.newFixedThreadPool;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;