A.<T,S>'preved'
-----
Groovy script
  Reference expression
    Reference expression
      PsiElement(identifier)('A')
    PsiElement(.)('.')
    Type arguments
      PsiElement(<)('<')
      Type element
        Reference element
          PsiElement(identifier)('T')
      PsiElement(,)(',')
      Type element
        Reference element
          PsiElement(identifier)('S')
      PsiElement(>)('>')
    PsiElement(string)(''preved'')