code: public void setInterpreterCache(int version, Object toCache) {
      if (interpCache == null)
        // JMF_ENCODING_VERSION is always the latest version we support
        interpCache = new Object[JMFRegistry.JMF_ENCODING_VERSION];
      interpCache[version - 1] = toCache;
    }
docs: Set an entry in the interpreter Cache (indexed by JMF encoding version, of which the
  first is expected to be 1).
  
  @param version the JMF encoding version
  @param toCache the Object that the SchemaInterpreter wishes to cache