1. DomName('WebGL2RenderingContext.deleteQuery')
  2. DocsEditable()
  3. Experimental()
void deleteQuery(Query query)

Source 

@DomName('WebGL2RenderingContext.deleteQuery')
@DocsEditable()
@Experimental() // untriaged
void deleteQuery(Query query) => _blink.BlinkWebGL2RenderingContext.instance.deleteQuery_Callback_1_(this, query);