code: public FragmentBundlerCompat<F> put(String key, boolean value) {
      bundler.put(key, value);
      return this;
    }
docs: Inserts a Boolean value into the mapping of the underlying Bundle, replacing any existing
  value
  for the given key.  Either key or value may be null.
  
  @param key a String, or null
  @param value a Boolean, or null
  @return this bundler instance to chain method calls