docs: protected AstNode parseIgnorableStatement( DdlTokenStream tokens,
                                                 String name,
                                                 AstNode parentNode,
                                                 String mixinType ) {
          CheckArg.isNotNull(tokens, "tokens");
          CheckArg.isNotNull(name, "name");
          CheckArg.isNotNull(parentNode, "parentNode");
          CheckArg.isNotNull(mixinType, "mixinType");
  
          AstNode node = nodeFactory().node(name, parentNode, mixinType);
  
          parseUntilTerminator(tokens);
  
          return node;
      }