1. DomName('WebGL2RenderingContext.createTransformFeedback')
  2. DocsEditable()
  3. Experimental()
TransformFeedback createTransformFeedback()

Source 

@DomName('WebGL2RenderingContext.createTransformFeedback')
@DocsEditable()
@Experimental() // untriaged
TransformFeedback createTransformFeedback() => _blink.BlinkWebGL2RenderingContext.instance.createTransformFeedback_Callback_0_(this);