1. @DomName('WebGL2RenderingContext.attachShader')
  2. @DocsEditable()
  3. @Experimental()
void attachShader(Program program, Shader shader)

Source 

@DomName('WebGL2RenderingContext.attachShader')
@DocsEditable()
@Experimental() // untriaged
void attachShader(Program program, Shader shader) =>
    _blink.BlinkWebGL2RenderingContext.instance
        .attachShader_Callback_2_(this, program, shader);