1. DomName('CharacterData.replaceData')
  2. DocsEditable()
void replaceData(int offset, int count, String data)

Source 

@DomName('CharacterData.replaceData')
@DocsEditable()
void replaceData(int offset, int count, String data) => _blink.BlinkCharacterData.instance.replaceData_Callback_3_(this, offset, count, data);