* Unsafe.getUnsafe when integrating into a JDK.
     *
     * @return an Unsafe instance if successful
     */
    private static Unsafe getUnsafe() {
      try {
        return Unsafe.getUnsafe();
      } catch (SecurityException tryReflectionInstead) {
        // We'll try reflection instead.
      }
      try {
        return AccessController.doPrivileged(
            (PrivilegedExceptionAction<Unsafe>)

		if err != nil {
			return nil, err
		}

		return format, nil
	}

	// Return error when quorum unformatted disks - indicating we are
	// waiting for first server to be online.
	unformattedDisks := quorumUnformattedDisks(sErrs)
	if unformattedDisks && !firstDisk {
		return nil, errNotFirstDisk
	}

	// Return error when quorum unformatted disks but waiting for rest

    }

    @Override
    protected String getActionRole() {
        return ROLE;
    }

    /**
     * Show the index page.
     * @return The HTML response.
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        saveToken();
        return asListHtml();
    }

    /**
     * Upload a file.
     * @param form The upload form.

     * @return true if the key exists, false otherwise
     */
    public boolean containsKey(final String key) {
        return params.containsKey(key);
    }

    /**
     * Returns a copy of the internal parameter map as a standard Map.
     * The returned map is a copy and modifications will not affect this instance.
     *
     * @return a new Map containing all current parameters

			case []byte:
				return field.Set(ctx, value, string(data))
			case string:
				if i, err := strconv.ParseFloat(data, 64); err == nil {
					field.ReflectValueOf(ctx, value).SetFloat(i)
				} else {
					return err
				}
			default:
				return fallbackSetter(ctx, value, v, field.Set)
			}
			return err
		}
	case reflect.String:

	}
}

func isTiDB() bool {
	return os.Getenv("GORM_DIALECT") == "tidb"
}

func isMysql() bool {
	return os.Getenv("GORM_DIALECT") == "mysql"
}

func isSqlite() bool {
	return os.Getenv("GORM_DIALECT") == "sqlite"
}

func db(unscoped bool) *gorm.DB {
	if unscoped {
		return DB.Unscoped()
	} else {
		return DB
	}

        if (con instanceof JarURLConnection) {
            return JarURLConnectionUtil.getJarFile((JarURLConnection) con);
        }
        return create(new File(toJarFilePath(jarUrl)));
    }

    /**
     * Returns the path of the JAR file specified by the URL.
     *
     * @param jarUrl the URL of the JAR file (must not be {@literal null})
     * @return the path of the JAR file specified by the URL
     */

      tempDir = createTempDir();
    }

    return tempDir;
  }

  /**
   * Creates a new temp file in the temp directory returned by {@link #getTempDir()}. The file will
   * be deleted in the tear-down for this test.
   */
  protected final File createTempFile() throws IOException {
    return File.createTempFile("test", null, getTempDir());
  }

  /** Returns a byte array of length size that has values 0 .. size - 1. */

        return new StreamOf<>(() -> values != null ? Arrays.stream(values) : Collections.<T> emptyList().stream());
    }

    /**
     * Splits the given string into an array of substrings based on the specified regular expression
     * and returns a stream of those substrings.
     *
     * @param value the string to be split; if {@code null}, the method returns an empty stream

            return new SmbTreeConnectionTrace(c);
        }
        return new SmbTreeConnection(c);
    }

    static SmbTreeConnection create(final SmbTreeConnection c) {
        if (c.ctx.getConfig().isTraceResourceUsage()) {
            return new SmbTreeConnectionTrace(c);
        }
        return new SmbTreeConnection(c);
    }

    /**
     * @return the active configuration
     */