func (config *TierConfigMgr) getDriver(ctx context.Context, tierName string) (d WarmBackend, err error) {
	config.Lock()
	defer config.Unlock()

	var ok bool
	// Lookup in-memory drivercache
	d, ok = config.drivercache[tierName]
	if ok {
		return d, nil
	}

	// Initialize driver from tier config matching tierName
	t, ok := config.Tiers[tierName]
	if !ok {
		return nil, errTierNotFound
	}

   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

   1. Definitions.

      "License" shall mean the terms and conditions for use, reproduction,
      and distribution as defined by Sections 1 through 9 of this document.

      "Licensor" shall mean the copyright owner or entity authorized by
      the copyright owner that is granting the License.

    table, the facility still operates, and performs whatever part of
    its purpose remains meaningful.

    (For example, a function in a library to compute square roots has
    a purpose that is entirely well-defined independent of the
    application.  Therefore, Subsection 2d requires that any
    application-supplied function or table used by this function must
    be optional: if the application does not supply it, the square

     *
     * @return the node's text value, or {@code null} if none exists
     */
    @Nullable
    String value();

    /**
     * Returns an immutable map of all attributes defined on this XML node.
     *
     * @return map of attribute names to values, never {@code null}
     */
    @Nonnull
    Map<String, String> attributes();

    /**

 *       and operations that read from the stream (including {@link #length()}, in some
 *       implementations) will prevent further operations from completing as expected.
 * </ul>
 *
 * @since 14.0
 * @author Colin Decker
 */
@J2ktIncompatible
@GwtIncompatible
public abstract class CharSource {

  /** Constructor for use by subclasses. */
  protected CharSource() {}

  /**

 *       and operations that read from the stream (including {@link #length()}, in some
 *       implementations) will prevent further operations from completing as expected.
 * </ul>
 *
 * @since 14.0
 * @author Colin Decker
 */
@J2ktIncompatible
@GwtIncompatible
public abstract class CharSource {

  /** Constructor for use by subclasses. */
  protected CharSource() {}

  /**

   */
  @Override
  boolean equals(@Nullable Object object);

  /**
   * Returns the hash code for this network. The hash code of a network is defined as the hash code
   * of a map from each of its {@link #edges() edges} to their {@link #incidentNodes(Object)
   * incident nodes}.
   *

	objAPI := newObjectLayerFn()

	// We must have a global lock for this so nobody else modifies env while we do.
	defer env.LockSetEnv()()

	// Disable merging env values with config for validation.
	env.SetEnvOff()

	// Enable env values to validate KMS.
	defer env.SetEnvOn()
	if subSys != "" {
		return validateSubSysConfig(ctx, s, subSys, objAPI)
	}

                    httpResponse.addHeader(ACCESS_CONTROL_ALLOW_PRIVATE_NETWORK, "true");
                }
            }
        };
    }

    // Test that all CORS header constants are defined correctly
    public void test_corsHeaderConstants() {
        assertEquals("Access-Control-Allow-Origin", CorsHandler.ACCESS_CONTROL_ALLOW_ORIGIN);

	wg.Wait()
}

// newMinioResourceCollector describes the collector
// and returns reference of minio resource Collector
// It creates the Prometheus Description which is used
// to define Metric and  help string
func newMinioResourceCollector(metricsGroups []*MetricsGroupV2) *minioResourceCollector {
	return &minioResourceCollector{
		metricsGroups: metricsGroups,