type ParamsArgs = [] | [Partial<z.ParseParams>]

type NewEntityArgs<Input extends object> =
    HasRequiredKeys<Input> extends true
        ? [Input, ...ParamsArgs]
        : [] | [Input, ...ParamsArgs]


export const newEntity = <
    $Config extends EntityConfig,
    Static  extends EntityClassStatic<$Config>,
    T       extends Entity<$Config>,
>(
    class_:               EntityClass<$Config, Static, T>,
    ...[values, params]:  NewEntityArgs<$Config["input"]>
) =>
    new class_(class_.schemaWithDefaultValues.parse(values || {}, params))