1. DomName('WebGL2RenderingContext.getActiveUniformBlockName')
  2. DocsEditable()
  3. Experimental()
String getActiveUniformBlockName(Program program, int uniformBlockIndex)

Source 

@DomName('WebGL2RenderingContext.getActiveUniformBlockName')
@DocsEditable()
@Experimental() // untriaged
String getActiveUniformBlockName(Program program, int uniformBlockIndex) => _blink.BlinkWebGL2RenderingContext.instance.getActiveUniformBlockName_Callback_2_(this, program, uniformBlockIndex);