app num children: 1
file num children: 1
stmt children: int,0
stmt child 0: int
stmt num children: 2
app ast:
app (Java application)
  file (GlobalJp.java)
    class (GlobalJp)
      method (foo)
        typeReference (int)
        body
          localVariable (int a = 0)
            typeReference (int)
            literal (0)
              typeReference (int)
          localVariable (int b = 1)
            typeReference (int)
            literal (1)
              typeReference (int)
          return (return a + b)
            binaryExpression (a + b)
              typeReference (int)
              var (a)
                reference (a - LocalVariable)
                  typeReference (int)
              var (b)
                reference (b - LocalVariable)
                  typeReference (int)