PsiJavaFile:Type7.java
  PsiTypeElement:Diamond<>
    PsiJavaCodeReferenceElement:Diamond<>
      PsiIdentifier:Diamond('Diamond')
      PsiReferenceParameterList
        PsiJavaToken:LT('<')
        PsiTypeElement:
          PsiTypeElement:DIAMOND
            <empty list>
        PsiJavaToken:GT('>')