1. DomName('WebGL2RenderingContext.getShaderSource')
  2. DocsEditable()
  3. Experimental()
String getShaderSource(Shader shader)

Source 

@DomName('WebGL2RenderingContext.getShaderSource')
@DocsEditable()
@Experimental() // untriaged
String getShaderSource(Shader shader) => _blink.BlinkWebGL2RenderingContext.instance.getShaderSource_Callback_1_(this, shader);