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

Source 

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