code: public URIBuilder setUserInfo(final String userInfo) {
  		 this.userInfo = userInfo;
  		 this.encodedSchemeSpecificPart = null;
  		 this.encodedAuthority = null;
  		 this.encodedUserInfo = null;
  		 return this;
  	 }
docs: Sets URI user info. The value is expected to be unescaped and may contain non ASCII
  characters.