@Override
    public void addAttributes(String key, Map<String, String> attributeMap) {
        for (final Entry<String, String> e : attributeMap.entrySet()) {
            final String attrKey = key + ' ' + e.getKey();
            checkState(!containsKey(attrKey), "duplicate attribute: %s", attrKey);
            put(attrKey, e.getValue());
        }
    }
Invokes the specified {@link Supplier} with {@link MinifiedBouncyCastleProvider} enabled temporarily.
core/src/main/java/com/linecorp/armeria/internal/common/util/MinifiedBouncyCastleProvider.java