1. @DomName('WebGL2RenderingContext.getSamplerParameter')
  2. @DocsEditable()
  3. @Experimental()
Object getSamplerParameter(Sampler sampler, int pname)

Source 

@DomName('WebGL2RenderingContext.getSamplerParameter')
@DocsEditable()
@Experimental() // untriaged
Object getSamplerParameter(Sampler sampler, int pname) =>
    (_blink.BlinkWebGL2RenderingContext.instance
        .getSamplerParameter_Callback_2_(this, sampler, pname));