1. DomName('Document.queryCommandIndeterm')
  2. DocsEditable()
bool queryCommandIndeterm(String command)

Source 

@DomName('Document.queryCommandIndeterm')
@DocsEditable()
bool queryCommandIndeterm(String command) => _blink.BlinkDocument.instance.queryCommandIndeterm_Callback_1_(unwrap_jso(this), command);