PsiJavaFile:UnclosedPackage1.java
  PsiPackageStatement:a.
    PsiKeyword:package('package')
    PsiWhiteSpace(' ')
    PsiJavaCodeReferenceElement:a.
      PsiJavaCodeReferenceElement:a
        PsiIdentifier:a('a')
        PsiReferenceParameterList
          <empty list>
      PsiJavaToken:DOT('.')
      PsiErrorElement:Identifier expected
        <empty list>
      PsiReferenceParameterList
        <empty list>
    PsiErrorElement:';' expected
      <empty list>
  PsiImportList
    <empty list>