PsiJavaFile:InstanceOfPattern0.java
  PsiInstanceofExpression
    PsiReferenceExpression:x
      PsiReferenceParameterList
        <empty list>
      PsiIdentifier:x('x')
    PsiWhiteSpace(' ')
    PsiKeyword:instanceof('instanceof')
    PsiWhiteSpace(' ')
    PsiTypeTestPattern
      PsiPatternVariable:v
        PsiModifierList:
          <empty list>
        PsiTypeElement:Foo
          PsiJavaCodeReferenceElement:Foo
            PsiIdentifier:Foo('Foo')
            PsiReferenceParameterList
              <empty list>
        PsiWhiteSpace(' ')
        PsiIdentifier:v('v')