code: public static void setRuntimeProperty(Object key, Object value) {
  
          OpenCmsCore.getInstance().setRuntimeProperty(key, value);
      }
docs: This method adds an Object to the OpenCms runtime properties.
  The runtime properties can be used to store Objects that are shared
  in the whole system.<p>
  
  @param key the key to add the Object with
  @param value the value of the Object to add