Private syntax, Unexpected character '#' (8:1)

[ale-grosselle]

class StatesC {

	#session;

	#readyDef = new Deferred();

	#ready = false;
}

• What version of documentation.js are you using?:
  9.3.0
• How are you running documentation.js (on the CLI, Node.js API, Grunt, other?):
  Node.js