1. @DomName('WebGL2RenderingContext.uniform3ui')
  2. @DocsEditable()
  3. @Experimental()
void uniform3ui(UniformLocation location, int v0, int v1, int v2)

Source 

@DomName('WebGL2RenderingContext.uniform3ui')
@DocsEditable()
@Experimental() // untriaged
void uniform3ui(UniformLocation location, int v0, int v1, int v2) =>
    _blink.BlinkWebGL2RenderingContext.instance
        .uniform3ui_Callback_4_(this, location, v0, v1, v2);