This is available only on MinIO as an extension to the NewerNoncurrentVersions feature. The following rule makes it possible to remove older noncurrent versions
of objects under the prefix `user-uploads/` as soon as there are more than `N` noncurrent versions of an object.

```
{
    "Rules": [
        {
            "ID": "Keep only most recent 5 noncurrent versions",
            "Status": "Enabled",
            "Filter": {

// ciphertext.
//
// UnmarshalJSON provides backward-compatible unmarsahaling
// of existing ciphertext. In the past, ciphertexts were
// JSON-encoded. Now, ciphertexts are binary-encoded.
// Therefore, there is no MarshalJSON implementation.
func (c *ciphertext) UnmarshalJSON(text []byte) error {
	const (
		IVSize    = 16
		NonceSize = 12

		AES256GCM        = "AES-256-GCM-HMAC-SHA-256"

      char c = sequence.charAt(i);
      if (c < 0x800) {
        utf8Length += (0x7f - c) >>> 31; // branch free!
      } else {
        utf8Length += 2;
        // We can't use Character.isSurrogate(c) here and below because of GWT.
        if (MIN_SURROGATE <= c && c <= MAX_SURROGATE) {
          // Check that we have a well-formed surrogate pair.
          if (Character.codePointAt(sequence, i) == c) {

    //    second thread can then dispatch to the subscriber it took before the first thread does.
    //
    // All this makes me really wonder if there's any value in queueing here at all. A dispatcher
    // that simply loops through the subscribers and dispatches the event to each would actually
    // probably provide a stronger order guarantee, though that order would obviously be different

      make install


# Create the devtoolset libstdc++ linkerscript that links dynamically against
# the system libstdc++ 4.4 and provides all other symbols statically.
# Note that the installation path for libstdc++ here is ${TARGET}/usr/lib64/
mv "${TARGET}/usr/lib64/libstdc++.so.${LIBSTDCXX_VERSION}" \
   "${TARGET}/usr/lib64/libstdc++.so.${LIBSTDCXX_VERSION}.backup"

		}
		return 0, cr.err
	}
	defer func() {
		if err != nil && err != io.EOF {
			if cr.debug {
				fmt.Println("Read err:", err)
			}
		}
	}()
	// First, if there is any unread data, copy it to the client
	// provided buffer.
	if cr.offset > 0 {
		n = copy(buf, cr.buffer[cr.offset:])
		if n == len(buf) {
			cr.offset += n
			return n, nil
		}
		cr.offset = 0

        }
    }

    @Override
    public void addResource(@Nonnull Project project, @Nonnull ProjectScope scope, @Nonnull Resource resource) {
        // TODO: we should not modify the underlying model here, but resources should be stored
        // TODO: in a separate field in the project, however, that could break v3 plugins
        MavenProject prj = getMavenProject(nonNull(project, "project"));

  // +listType=map
  // +listMapKey=type
  // +optional
  repeated CertificateSigningRequestCondition conditions = 1;

  // If request was approved, the controller will place the issued certificate here.
  // +listType=atomic
  // +optional
  optional bytes certificate = 2;
}

// ExtraValue masks the value so protobuf can generate
// +protobuf.nullable=true

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof TypeParameterSignature) {
        TypeParameterSignature other = (TypeParameterSignature) obj;
        /*
         * The name is here only for display purposes; <E extends Number> and <T
         * extends Number> are equivalent.
         */
        return bounds.equals(other.bounds);
      }

      return false;
    }

    @Override

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof TypeParameterSignature) {
        TypeParameterSignature other = (TypeParameterSignature) obj;
        /*
         * The name is here only for display purposes; <E extends Number> and <T
         * extends Number> are equivalent.
         */
        return bounds.equals(other.bounds);
      }

      return false;
    }

    @Override