code: @Deprecated
      public Map<String, Map<String, PatternInfo>> getRawPatterns() {
          LinkedHashMap<String, Map<String, PatternInfo>> result = new LinkedHashMap<String, Map<String, PatternInfo>>();
          for (Entry<String, Map<String, PatternInfo>> entry : fIntervalPatterns.entrySet()) {
              result.put(entry.getKey(), new LinkedHashMap<String, PatternInfo>(entry.getValue()));
          }
          return result;
      }
docs: Get the internal patterns, with a deep clone for safety.
  @deprecated This API is ICU internal only.
  @hide original deprecated declaration
  @hide draft / provisional / internal are hidden on Android