code: @Api
  	public void runWhenInitialized(Runnable runnable) {
  		if (isInitialized()) {
  			runnable.run();
  		} else {
  			whenInitializedRunnables.add(runnable);
  		}
  	}
docs: Run some code once when the map is initialized.
  
  @param runnable code to run
  @since 1.10.0