SHELL_SCRIPT
  COMMANDS_LIST
    SIMPLE_COMMAND
      GENERIC_COMMAND_DIRECTIVE
        LITERAL
          PsiElement(word)('ssh')
      PsiWhiteSpace(' ')
      SIMPLE_COMMAND_ELEMENT
        PsiElement($)('$')
        SHELL_PARAMETER_EXPANSION
          PsiElement({)('{')
          PsiElement(word)('GROUND_USER')
          PsiElement(})('}')
      LITERAL
        PsiElement(word)('@')
      SIMPLE_COMMAND_ELEMENT
        PsiElement($)('$')
        SHELL_PARAMETER_EXPANSION
          PsiElement({)('{')
          PsiElement(word)('GROUND')
          PsiElement(})('}')