How to use the uglify-js-papandreou.AST_SimpleStatement function in uglify-js-papandreou

}));
                            }
                            seenComments.push(comment);
                        }
                    }, this);
                }
            }, this);

            // Detect global 'use strict' directives
            if (parentNode === this.parseTree &&
                node instanceof uglifyJs.AST_Directive &&
                node.value === 'use strict') {
                this.strict = true;
            }

            if (node instanceof uglifyJs.AST_SimpleStatement &&
                node.body instanceof uglifyJs.AST_Call &&
                node.body.expression instanceof uglifyJs.AST_Dot &&
                node.body.expression.property === 'config' &&
                node.body.expression.expression instanceof uglifyJs.AST_SymbolRef &&
                node.body.args[0] instanceof uglifyJs.AST_Object &&
                (node.body.expression.expression.name === 'require' || node.body.expression.expression.name === 'requirejs')) {

                outgoingRelations.push(new AssetGraph.JavaScriptRequireJsConfig({
                    from: this,
                    node: node.body.args[0],
                    parentNode: node.body,
                    to: new AssetGraph.RequireJsConfig({
                        parseTree: node.body.args[0].transform(deepCloneTransform)
                    })
                }));
            } else if (node instanceof uglifyJs.AST_Var) {

var parentIndex = stack.length - 1,
                        isSucceededByDefineWithStringArg = false,
                        seenDefine = false,
                        walkFn = function (_node) {
                            if (_node === node) {
                                seenDefine = true;
                            } else if (seenDefine && isNamedDefineNode(_node)) {
                                isSucceededByDefineWithStringArg = true;
                            }
                        };
                    OUTER:
                    while (parentIndex >= 0) {
                        if (stack[parentIndex] instanceof uglifyJs.AST_Block) {
                            var blockNode = stack[parentIndex];
                            for (var i = blockNode.body.indexOf(stack[parentIndex + 1]) ; i < blockNode.body.length ; i += 1) {
                                if (blockNode.body[i] instanceof uglifyJs.AST_SimpleStatement && isNamedDefineNode(blockNode.body[i].body)) {
                                    isSucceededByDefineWithStringArg = true;
                                    break OUTER;
                                }
                            }
                            break OUTER;
                        } else if (stack[parentIndex] instanceof uglifyJs.AST_Seq) {
                            stack[parentIndex].walk(new uglifyJs.TreeWalker(walkFn));
                            break OUTER;
                        } else {
                            parentIndex -= 1;
                        }
                    }

                    if (!isSucceededByDefineWithStringArg) {
                        var arrayNode = node.args[0];
                        arrayNode.elements.forEach(function (arrayItemAst, i) {