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