Interface ISystem<T>

interface ISystem<T = []> {
    allowsignup: TSystemGetAllowsignup extends T ? boolean : never;
    defaultplugins?: TSystemGetDefaultplugins extends T ? string[] : never[];
    password?: TSystemGetPassword extends T
        ? {
            max: number;
            min: number;
            requireLetter: boolean;
            requireNumber: boolean;
            requireSymbol: boolean;
        }
        : never;
}