1Check correct indentation use when inserting into list node
2-----
3<?php
4$this->foo = new Foo;
5$this->foo->a()
6          ->b();
7-----
8$outerCall = $stmts[1]->expr;
9$innerCall = $outerCall->var;
10$var = $innerCall->var;
11$stmts[1]->expr = $innerCall;
12$stmts[2] = new Stmt\Expression(new Expr\MethodCall($var, $outerCall->name));
13-----
14<?php
15$this->foo = new Foo;
16$this->foo->a();
17$this->foo->b();