bar 2 foo (2) [0](2) bar 2
-----
Groovy script
  Call expression
    Reference expression
      Method call
        Property by index
          Method call
            Reference expression
              Call expression
                Reference expression
                  PsiElement(identifier)('bar')
                PsiWhiteSpace(' ')
                Command arguments
                  Literal
                    PsiElement(Integer)('2')
              PsiWhiteSpace(' ')
              PsiElement(identifier)('foo')
            PsiWhiteSpace(' ')
            Arguments
              PsiElement(()('(')
              Literal
                PsiElement(Integer)('2')
              PsiElement())(')')
          PsiWhiteSpace(' ')
          Arguments
            PsiElement([)('[')
            Literal
              PsiElement(Integer)('0')
            PsiElement(])(']')
        Arguments
          PsiElement(()('(')
          Literal
            PsiElement(Integer)('2')
          PsiElement())(')')
      PsiWhiteSpace(' ')
      PsiElement(identifier)('bar')
    PsiWhiteSpace(' ')
    Command arguments
      Literal
        PsiElement(Integer)('2')