}

  @GwtIncompatible // Float.toString returns different value in GWT.
  public void testJoin() {
    assertThat(Floats.join(",", EMPTY)).isEmpty();
    assertThat(Floats.join(",", ARRAY1)).isEqualTo("1.0");
    assertThat(Floats.join(",", 1.0f, 2.0f)).isEqualTo("1.0,2.0");
    assertThat(Floats.join("", 1.0f, 2.0f, 3.0f)).isEqualTo("1.02.03.0");
  }

  public void testLexicographicalComparator() {
    List<float[]> ordered =

            }
            this.thread = null;
        }
        t.interrupt();
        if (logger.isDebugEnabled()) {
            logger.debug("TimeoutManager stopped.");
        }
        t.join(timeoutMillis);
        return !t.isAlive();
    }

    /**
     * Clears the managed {@link TimeoutTask}.
     */
    public synchronized void clear() {
        timeoutTaskList.clear();
    }

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

    public void stop() {
        try {
            server.stop();
            server.join();
        } catch (final Exception e) {
            throw new CrawlerSystemException(e);
        } finally {
            if (tempDocRoot) {
                docRoot.delete();
            }
        }
    }

		}
		if !found {
			logger.Fatal(fmt.Errorf("unknown algorithm %q passed to --sftp=%s\nValid algorithms: %v", algo, arg, strings.Join(allowed, ", ")), "unable to start SFTP server")
		}
	}
	if len(filteredAlgos) == 0 {
		logger.Fatal(fmt.Errorf("no valid algorithms passed to --sftp=%s\nValid algorithms: %v", arg, strings.Join(allowed, ", ")), "unable to start SFTP server")
	}
	return filteredAlgos
}

func startSFTPServer(args []string) {

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

    public void stop() {
        try {
            server.stop();
            server.join();
        } catch (final Exception e) {
            throw new CrawlerSystemException(e);
        } finally {
            if (tempDocRoot) {
                docRoot.delete();
            }
        }
    }

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/// tip

   * {@code joiner}.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code joiner.join(stream.iterator())}, or, if you are not
   * using any optional {@code Joiner} features, {@code
   * stream.collect(Collectors.joining(delimiter)}.
   *
   * @since 18.0
   */
  public final String join(Joiner joiner) {
    return joiner.join(this);
  }

  /**

   * {@code joiner}.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code joiner.join(stream.iterator())}, or, if you are not
   * using any optional {@code Joiner} features, {@code
   * stream.collect(Collectors.joining(delimiter)}.
   *
   * @since 18.0
   */
  public final String join(Joiner joiner) {
    return joiner.join(this);
  }

  /**

}

// Expr returns clause.Expr, which can be used to pass SQL expression as params
func Expr(expr string, args ...interface{}) clause.Expr {
	return clause.Expr{SQL: expr, Vars: args}
}

// SetupJoinTable setup join table schema
func (db *DB) SetupJoinTable(model interface{}, field string, joinTable interface{}) error {
	var (
		tx                      = db.getInstance()
		stmt                    = tx.Statement

        // Start all threads
        for (Thread thread : threads) {
            thread.start();
        }

        // Wait for all threads to complete
        for (Thread thread : threads) {
            thread.join();
        }

        // Verify results
        assertTrue(exceptions.isEmpty());
        assertEquals(threadCount * objectsPerThread, createdComponents.size());