PsiJavaFile:WhileIncomplete4.java
  PsiWhileStatement
    PsiKeyword:while('while')
    PsiJavaToken:LPARENTH('(')
    PsiReferenceExpression:cond
      PsiReferenceParameterList
        <empty list>
      PsiIdentifier:cond('cond')
    PsiJavaToken:RPARENTH(')')
    PsiErrorElement:Statement expected
      <empty list>