1. DomName('WebGL2RenderingContext.renderbufferStorageMultisample')
  2. DocsEditable()
  3. Experimental()
void renderbufferStorageMultisample(int target, int samples, int internalformat, int width, int height)

Source 

@DomName('WebGL2RenderingContext.renderbufferStorageMultisample')
@DocsEditable()
@Experimental() // untriaged
void renderbufferStorageMultisample(int target, int samples, int internalformat, int width, int height) => _blink.BlinkWebGL2RenderingContext.instance.renderbufferStorageMultisample_Callback_5_(this, target, samples, internalformat, width, height);