code: function (keys) {
          keys = keys || [];
  
          let that = this;
          for (let i=keys.length-1; i>=0; i--) {
              that.pressKey(keys[i]);
          }
      }
docs: /*
  Pass in an array of keys you want pressed
  - this array should be propogated with values from ``Interface.KEYMAP``
  - you can not undo a press. Once a key is pressed it stays pressed until the end of the frame.