SHELL_SCRIPT
  COMMANDS_LIST
    GENERIC_COMMAND_DIRECTIVE
      PsiElement($)('$')
      SHELL_PARAMETER_EXPANSION
        PsiElement({)('{')
        PsiElement(param_separator)('#')
        PsiElement(})('}')
  PsiElement(\n)('\n')
  COMMANDS_LIST
    GENERIC_COMMAND_DIRECTIVE
      PsiElement($)('$')
      SHELL_PARAMETER_EXPANSION
        PsiElement({)('{')
        PsiElement(param_separator)('#')
        PsiElement(})('}')