```\n// solhint-disable-next-line func-name-mixedcase\nfunction \_\_DramAccessControl\_init\_unchained(\n address admin\n) internal onlyInitializing {\n \_grantRole(ADMIN\_ROLE, admin);\n \_grantRole(ROLE\_MANAGER\_ROLE, admin);\n \_grantRole(SUPPLY\_MANAGER\_ROLE, admin);\n}\n```\n