SHELL_SCRIPT
  COMMANDS_LIST
    SIMPLE_COMMAND
      GENERIC_COMMAND_DIRECTIVE
        LITERAL
          PsiElement(word)('export')
      PsiWhiteSpace(' ')
      VARIABLE
        PsiElement(var)('$a')
  PsiElement(\n)('\n')
  COMMANDS_LIST
    SIMPLE_COMMAND
      GENERIC_COMMAND_DIRECTIVE
        LITERAL
          PsiElement(word)('export')
      PsiWhiteSpace(' ')
      SIMPLE_COMMAND_ELEMENT
        PsiElement($)('$')
        SHELL_PARAMETER_EXPANSION
          PsiElement({)('{')
          PsiElement(word)('a')
          PsiElement(})('}')
  PsiElement(\n)('\n')
  COMMANDS_LIST
    SIMPLE_COMMAND
      GENERIC_COMMAND_DIRECTIVE
        LITERAL
          PsiElement(word)('export')
      PsiWhiteSpace(' ')
      SIMPLE_COMMAND_ELEMENT
        PsiElement($)('$')
        SUBSHELL_COMMAND
          PsiElement(()('(')
          COMPOUND_LIST
            GENERIC_COMMAND_DIRECTIVE
              LITERAL
                PsiElement(word)('a')
          PsiElement())(')')
  PsiElement(\n)('\n')
  COMMANDS_LIST
    SIMPLE_COMMAND
      GENERIC_COMMAND_DIRECTIVE
        LITERAL
          PsiElement(word)('export')
      PsiWhiteSpace(' ')
      SIMPLE_COMMAND_ELEMENT
        ASSIGNMENT_COMMAND
          VARIABLE
            PsiElement(var)('$a')
          PsiElement(=)('=')
          VARIABLE
            PsiElement(var)('$b')
  PsiElement(\n)('\n')
  PsiElement(\n)('\n')
  PsiElement(\n)('\n')
  COMMANDS_LIST
    ASSIGNMENT_COMMAND
      LITERAL
        PsiElement(word)('ENV_FILE')
      PsiElement(=)('=')
      STRING
        PsiElement(OPEN_QUOTE)('"')
        PsiElement(STRING_CONTENT)('a.env')
        PsiElement(CLOSE_QUOTE)('"')
    PsiElement(;)(';')
  PsiElement(\n)('\n')
  COMMANDS_LIST
    INCLUDE_COMMAND
      INCLUDE_DIRECTIVE
        PsiElement(word)('source')
      PsiWhiteSpace(' ')
      SIMPLE_COMMAND_ELEMENT
        PsiElement($)('$')
        SHELL_PARAMETER_EXPANSION
          PsiElement({)('{')
          PsiElement(word)('ENV_FILE')
          PsiElement(})('}')
    PsiElement(;)(';')
  PsiElement(\n)('\n')
  COMMANDS_LIST
    SIMPLE_COMMAND
      GENERIC_COMMAND_DIRECTIVE
        LITERAL
          PsiElement(word)('export')
      PsiWhiteSpace(' ')
      SIMPLE_COMMAND_ELEMENT
        PsiElement($)('$')
        SUBSHELL_COMMAND
          PsiElement(()('(')
          COMPOUND_LIST
            SIMPLE_COMMAND
              GENERIC_COMMAND_DIRECTIVE
                LITERAL
                  PsiElement(word)('cut')
              PsiWhiteSpace(' ')
              SIMPLE_COMMAND_ELEMENT
                ASSIGNMENT_COMMAND
                  LITERAL
                    PsiElement(word)('-d')
                  PsiElement(=)('=')
                  PsiWhiteSpace(' ')
                  LITERAL
                    PsiElement(word)('-f1')
              PsiWhiteSpace(' ')
              SIMPLE_COMMAND_ELEMENT
                PsiElement($)('$')
                SHELL_PARAMETER_EXPANSION
                  PsiElement({)('{')
                  PsiElement(word)('ENV_FILE')
                  PsiElement(})('}')
          PsiElement())(')')
    PsiElement(;)(';')