* with underutilization, then we want stored permits to be given out /faster/ than fresh ones,
   * because underutilization = free resources for the taking. If we are primarily interested to
   * deal with overflow, then stored permits could be given out /slower/ than fresh ones. Thus, we
   * require a (different in each case) function that translates storedPermits to throttling time.

	Recycle()
}

// MSS is a map[string]string that can be serialized.
// It is not very efficient, but it is only used for easy parameter passing.
type MSS map[string]string

// Get returns the value for the given key.
func (m *MSS) Get(key string) string {
	if m == nil {
		return ""
	}
	return (*m)[key]
}

// Set a key, value pair.
func (m *MSS) Set(key, value string) {
	if m == nil {

   * character sequence. Returns a bogus matcher if the sequence contains supplementary characters.
   */
  public static CharMatcher noneOf(CharSequence sequence) {
    return anyOf(sequence).negate();
  }

  /**
   * Returns a {@code char} matcher that matches any character in a given BMP range (both endpoints

     * or {@code Optional.empty()} if no path has been associated.
     */
    @Nonnull
    Optional<Path> getPath(@Nonnull Artifact artifact);

    /**
     * Associates the given file path to the artifact.
     */
    void setPath(@Nonnull ProducedArtifact artifact, Path path);

 * java.util.ServiceLoader} mechanism.
 */
@GwtIncompatible
@ElementTypesAreNonnullByDefault
interface PatternCompiler {
  /**
   * Compiles the given pattern.
   *
   * @throws IllegalArgumentException if the pattern is invalid
   */
  @RestrictedApi(
      explanation = "PatternCompiler is an implementation detail of com.google.common.base",

    int i = 0;
    for (Object e : elements) {
      array[i++] = (Character) e;
    }
    return create(array);
  }

  /**
   * Creates a new collection containing the given elements; implement this method instead of {@link
   * #create(Object...)}.
   */
  protected abstract List<Character> create(Character[] elements);

  @Override
  public Character[] createArray(int length) {

 * java.util.ServiceLoader} mechanism.
 */
@GwtIncompatible
@ElementTypesAreNonnullByDefault
interface PatternCompiler {
  /**
   * Compiles the given pattern.
   *
   * @throws IllegalArgumentException if the pattern is invalid
   */
  @RestrictedApi(
      explanation = "PatternCompiler is an implementation detail of com.google.common.base",

 * variety of sequences of the {@link Iterator#next}, {@link Iterator#hasNext} and {@link
 * Iterator#remove} operations. This utility takes the brute-force approach of trying <i>all</i>
 * possible sequences of these operations, up to a given number of steps. So, if the caller
 * specifies to use <i>n</i> steps, a total of <i>3^n</i> tests are actually performed.
 *
 * <p>For instance, if <i>steps</i> is 5, one example sequence that will be tested is:
 *
 * <ol>

			Value: config.EnableOff,
		},
		config.KV{
			Key:   Extensions,
			Value: DefaultExtensions,
		},
		config.KV{
			Key:   MimeTypes,
			Value: DefaultMimeTypes,
		},
	}
)

// Parses the given compression exclude list `extensions` or `content-types`.
func parseCompressIncludes(include string) ([]string, error) {
	includes := strings.Split(include, config.ValueSeparator)
	for _, e := range includes {
		if len(e) == 0 {

```

By default this plugin uses HTTP 1.x. To enable HTTP2 use the `MINIO_POLICY_PLUGIN_ENABLE_HTTP2` environment variable.

## Request and Response

MinIO will make a `POST` request with a JSON body to the given plugin URL. If the auth token parameter is set, it will be sent as an authorization header.

The JSON body structure can be seen from this sample:

<details><summary>Request Body Sample</summary>

```json
{