Type Alias DeepRecord<T, RemainingDepth, Prefix>

DeepRecord: RemainingDepth extends 0
    ? PropertiesWithPrefix<Prefix>
    : {
        [k in keyof T]-?: k extends string
        | number
            ?
                | Record<`${Prefix}${k}`, T[k]>
                | (
                    Required<T>[k] extends any[]
                        ? never
                        : Required<T>[k] extends object
                            ? DeepRecord<
                                Required<(...)>[k],
                                Pred[RemainingDepth],
                                `${Prefix}${k}.`,
                            >
                            : never
                )
            : never
    }[keyof T]