FILE
  LSIncludeCommandImpl(INCLUDE_COMMAND)
    PsiElement(INCLUDE)('INCLUDE')
    PsiWhiteSpace(' ')
    PsiElement(IDENTIFIER)('file1')
  PsiWhiteSpace('\n\n')
  LSIncludeCommandImpl(INCLUDE_COMMAND)
    PsiElement(INCLUDE)('INCLUDE')
    PsiWhiteSpace(' ')
    PsiElement(IDENTIFIER)('directory/file2')