* stream.collect(MoreCollectors.onlyElement())}.
   *
   * @throws NoSuchElementException if the iterable is empty
   * @throws IllegalArgumentException if the iterable contains multiple elements
   */
  @ParametricNullness
  public static <T extends @Nullable Object> T getOnlyElement(Iterable<T> iterable) {
    return Iterators.getOnlyElement(iterable.iterator());
  }

  /**

    public boolean hasFacetResponse() {
        return queryCountMap != null || fieldList != null;
    }

    /**
     * Represents a field facet with its name and value counts.
     * Each field facet contains multiple values with their respective document counts.
     */
    public static class Field {
        /**
         * Map containing field values and their document counts.

import okhttp3.HttpUrl;
import okhttp3.OkHttpClient;
import okhttp3.Protocol;
import okhttp3.Request;
import okhttp3.Response;

/**
 * This prints events for a single in-flight call. It won't work for multiple concurrent calls
 * because we don't know what callStartNanos refers to.
 */
public final class PrintEventsNonConcurrent {
  private final OkHttpClient client = new OkHttpClient.Builder()

      Subscriber that = (Subscriber) obj;
      // Use == so that different equal instances will still receive events.
      // We only guard against the case that the same object is registered
      // multiple times
      return target == that.target && method.equals(that.method);
    }
    return false;
  }

  /**
   * Checks whether {@code method} is thread-safe, as indicated by the presence of the {@link

 *
 *
 * A context holds the client configuration, shared services as well as the active credentials.
 *
 * Usually you will want to create one context per client configuration and then
 * multiple sub-contexts using different credentials (if necessary).
 *
 * {@link #withDefaultCredentials()}, {@link #withAnonymousCredentials()}, {@link #withCredentials(Credentials)}
 * allow to create such sub-contexts.
 *
 *

        // Test final release
        session.release();
        assertFalse(session.isInUse(), "Session should not be in use after all releases");

        // Test multiple releases (should not throw)
        assertThrows(RuntimeException.class, () -> session.release(), "Additional release should throw RuntimeCIFSException");
    }

    /**
     * Test tree creation and cleanup
     */

        CommonServerMessageBlockResponse out = tree.send(request);

        // Assert
        assertSame(response, out);
        verify(tree).send(request);
    }

    @Test
    @DisplayName("send with multiple params returns the stubbed response")
    void send_withParams_returnsResponse() throws Exception {
        // Arrange

  internal val writeTimeout = StreamTimeout()

  /**
   * The reason why this stream was closed, or null if it closed normally or has not yet been
   * closed.
   *
   * If there are multiple reasons to abnormally close this stream (such as both peers closing it
   * near-simultaneously) then this is the first reason known to this peer.
   */
  internal var errorCode: ErrorCode? = null
    get() = withLock { field }

     */
    public OptionalEntity<FileConfig> getFileConfig(final String id) {
        return fileConfigBhv.selectByPK(id);
    }

    /**
     * Retrieves a file configuration by its name.
     * If multiple configurations exist with the same name, returns the first one
     * ordered by sort order.
     *
     * @param name the name of the file configuration to retrieve

        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_exceptionChaining() {
        // Test exception chaining with multiple levels
        Exception rootCause = new Exception("Network timeout");
        Exception middleCause = new Exception("SSO provider unreachable", rootCause);