code: def get_isolation_level_values(self, dbapi_connection):
      return (
          "AUTOCOMMIT",
          "READ COMMITTED",
          "READ UNCOMMITTED",
          "REPEATABLE READ",
          "SERIALIZABLE",
      )
  
imports: from __future__ import annotations
  import decimal
  from .array import ARRAY
  from .base import _DECIMAL_TYPES
  from .base import _FLOAT_TYPES
  from .base import _INT_TYPES
  from .base import PGDialect
  from .base import PGExecutionContext
  from .hstore import HSTORE
  from .pg_catalog import _SpaceVector
  from .pg_catalog import INT2VECTOR
  from .pg_catalog import OIDVECTOR
  from ...None import exc
  from ...None import types
  from ...None import util
  from ...engine import processors
label_desc: Use image node_id 3 for calling the _PGDialect_common_psycopg obj's underlying member method code with example usage: obj.get_isolation_level_values(dbapi_connection) and returns: str,  str,  str,  str,  str