SHELL_SCRIPT
  COMMANDS_LIST
    SIMPLE_COMMAND
      GENERIC_COMMAND_DIRECTIVE
        LITERAL
          PsiElement(word)('declare')
      PsiWhiteSpace(' ')
      SIMPLE_COMMAND_ELEMENT
        ASSIGNMENT_COMMAND
          VARIABLE
            PsiElement(var)('$abc')
          PsiElement(=)('=')
          ASSIGNMENT_LIST
            PsiElement(()('(')
            PsiElement())(')')
  PsiElement(\n)('\n')
  COMMANDS_LIST
    SIMPLE_COMMAND
      GENERIC_COMMAND_DIRECTIVE
        LITERAL
          PsiElement(word)('declare')
      PsiWhiteSpace(' ')
      SIMPLE_COMMAND_ELEMENT
        ASSIGNMENT_COMMAND
          VARIABLE
            PsiElement(var)('$abc')
          PsiElement(=)('=')
          ASSIGNMENT_LIST
            PsiElement(()('(')
            ARRAY_ASSIGNMENT
              LITERAL_OPERATION
                PsiElement(word)('a')
            PsiElement())(')')
  PsiElement(\n)('\n')
  COMMANDS_LIST
    SIMPLE_COMMAND
      GENERIC_COMMAND_DIRECTIVE
        LITERAL
          PsiElement(word)('declare')
      PsiWhiteSpace(' ')
      SIMPLE_COMMAND_ELEMENT
        ASSIGNMENT_COMMAND
          VARIABLE
            PsiElement(var)('$abc')
          PsiElement(=)('=')
          ASSIGNMENT_LIST
            PsiElement(()('(')
            ARRAY_ASSIGNMENT
              COMMA_OPERATION
                LITERAL_OPERATION
                  PsiElement(word)('a')
                PsiElement(,)(',')
                LITERAL_OPERATION
                  PsiElement(word)('b')
            PsiElement())(')')