def METHOD_NAME(resource_group_name: Optional[pulumi.Input[str]] = None,
                           resource_name: Optional[pulumi.Input[str]] = None,
                           opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetB2CTenantResult]:
    """
    Get the Azure AD B2C tenant resource.
    :param str resource_group_name: The name of the resource group.
    :param str resource_name: The initial domain name of the B2C tenant.
    """
    ...