1. DomName('ANGLEInstancedArrays.drawArraysInstancedANGLE')
  2. DocsEditable()
  3. Experimental()
void drawArraysInstancedAngle(int mode, int first, int count, int primcount)

Source 

@DomName('ANGLEInstancedArrays.drawArraysInstancedANGLE')
@DocsEditable()
@Experimental() // untriaged
void drawArraysInstancedAngle(int mode, int first, int count, int primcount) => _blink.BlinkANGLEInstancedArrays.instance.drawArraysInstancedANGLE_Callback_4_(this, mode, first, count, primcount);