def METHOD_NAME():
    class DummyModel(BaseModel):
        arg1: str
        arg2: Optional[str]
        arg3: List[str]
        arg4: List[Optional[str]]
        arg5: Dict[str, str]
        arg6: Dict[str, Optional[str]]
        arg7: "Optional[DummyModel]"
        arg8: "Optional[List[DummyModel]]"
    DummyModel.update_forward_refs()
    base = DummyModel(
        arg1 = 'arg1',
        arg3 = ['arg3_1', 'arg3_2'],
        arg4 = [],
        arg5 = {'arg5_k': 'arg5_v'},
        arg6 = {'arg6_k': None}
    )
    METHOD_NAME = DummyModel(
        arg1 = 'arg1',
        arg3 = ['arg3_1', 'arg3_2'],
        arg4 = [],
        arg5 = {'arg5_k': 'arg5_v'},
        arg6 = {'arg6_k': None},
        arg7 = base,
        arg8 = [base, base]
    )
    return METHOD_NAME