PsiJavaFile:ConstructorRef.java
  PsiExpressionStatement
    PsiMethodReferenceExpression
      PsiReferenceExpression:Foo
        PsiReferenceParameterList
          <empty list>
        PsiIdentifier:Foo('Foo')
      PsiJavaToken:DOUBLE_COLON('::')
      PsiReferenceParameterList
        <empty list>
      PsiKeyword:new('new')
    PsiErrorElement:';' expected
      <empty list>