SHELL_SCRIPT
  COMMANDS_LIST
    ASSIGNMENT_COMMAND
      LITERAL
        PsiElement(word)('NAME_IN_CONTENT')
      PsiElement(=)('=')
      STRING
        PsiElement(OPEN_QUOTE)('"')
        PsiElement($)('$')
        SUBSHELL_COMMAND
          PsiElement(()('(')
          COMPOUND_LIST
            SIMPLE_COMMAND
              GENERIC_COMMAND_DIRECTIVE
                LITERAL
                  PsiElement(word)('echo')
              PsiWhiteSpace(' ')
              STRING
                PsiElement(OPEN_QUOTE)('"')
                PsiElement($)('$')
                SHELL_PARAMETER_EXPANSION
                  PsiElement({)('{')
                  PsiElement(word)('NAME_IN_CONTENT')
                  PsiElement(param_separator)('%')
                  PsiElement(word)('<')
                  PsiElement(})('}')
                PsiElement(CLOSE_QUOTE)('"')
          PsiElement())(')')
        PsiElement(CLOSE_QUOTE)('"')