Function object

object<
    T extends { [x: string]: unknown },
    KS extends
    
            | []
            | (
                keyof T extends keyof T
                    ? T[keyof T]["toJsonSchema" & keyof T[keyof T]] extends {
                        "[symbol_optional]": number;
                    }
                        ? never
                        : keyof T
                    : never
            )[],
>(
    children: T,
): {
    properties: {
        [K in string | number | symbol]: Returns<
            T[K]["toJsonSchema" & keyof T[K]],
        >
    };
    required: { [I in string
    | number
    | symbol]: KS[I] & string };
    type: "object";
}