if config == nil {
		return nil
	}

	config.RLock()
	defer config.RUnlock()

	var tierCfgs []madmin.TierConfig
	for _, tier := range config.Tiers {
		// This makes a local copy of tier config before
		// passing a reference to it.
		tier := tier.Clone()
		tierCfgs = append(tierCfgs, tier)
	}
	return tierCfgs
}

// Edit replaces the credentials of the remote tier specified by tierName with creds.

#   Required. Think `apt-get install #{package}`.
# @param install_command_retries [Integer] Number of times to retry
#   a failed install command
# @param extra [String] Additional script to run before installing
#   dependencies
#
def linux_common(config,
                 name,
                 update_command: 'required',
                 update_tracking_file: 'required',

        final AtomicReference<String> capturedBody = new AtomicReference<>();
        final CoordinatorHelper helper = createCapturingHelper("node1@host1", null, capturedBody, createMockResponse(200, "{}"));

        final long before = System.currentTimeMillis();
        helper.sendHeartbeat();
        final long after = System.currentTimeMillis();

        assertNotNull(capturedBody.get());

  }

  /**
   * Returns a new {@link ByteSink} for writing bytes to the given file. The given {@code modes}
   * control how the file is opened for writing. When no mode is provided, the file will be
   * truncated before writing. When the {@link FileWriteMode#APPEND APPEND} mode is provided, writes
   * will append to the end of the file without truncating it.
   *
   * @since 14.0
   */

   * true when removing a connection from the pool; otherwise a racing caller might get it from the
   * pool when it shouldn't. Symmetrically, this must always be checked before returning a
   * connection from the pool.
   *
   * Once true this is always true. Guarded by this.
   */
  var noNewExchanges = false

  /**

   * amount has been skipped. Does not close the reader.
   *
   * @param reader the reader to read from
   * @param n the number of characters to skip
   * @throws EOFException if this stream reaches the end before skipping all the characters
   * @throws IOException if an I/O error occurs
   */
  public static void skipFully(Reader reader, long n) throws IOException {
    checkNotNull(reader);
    while (n > 0) {

 * the configuration properties of the original map. During deserialization, if the original map had
 * used weak references, the entries are reconstructed as they were, but it's not unlikely they'll
 * be quickly garbage-collected before they are ever accessed.
 *
 * <p>{@code new MapMaker().weakKeys().makeMap()} is a recommended replacement for {@link
 * java.util.WeakHashMap}, but note that it compares keys using object identity whereas {@code

                            throw new UnknownHostException(name.name);
                        }
                        if (response.received && response.resultCode == 0) {

                            /* Before we return, in anticipation of this address being cached we must
                             * augment the addresses name's hashCode to distinguish those resolved by

            assertEquals(0, buffer[11]);
            assertEquals(1, buffer[12]); // cipher value
            assertEquals(0, buffer[13]);
            assertEquals((byte) 0xFF, buffer[9]); // Should not modify before offset
            assertEquals((byte) 0xFF, buffer[14]); // Should not modify after encoded data
        }

        @Test
        @DisplayName("Should handle offset in decode")

     * creation call keeps "emitSettingsWarnings" false. If there are fatal issues, it will anyway "die" at that
     * spot before warnings would be emitted.
     * <p>
     * The method returns a "cleaner" runnable, as during extension loading the context needs to be "cleaned", restored
     * to previous state (as it was before extension loading).
     */