Type Alias TOptionalChecksum<T>

TOptionalChecksum: Omit<
    T,
    "checksum"
    | "descendantChecksum"
    | "combinedChecksum",
> & Partial<
    Pick<
        T,
        Extract<keyof T, "checksum" | "descendantChecksum" | "combinedChecksum">,
    >,
>

Makes the checksum, descendantChecksum, and combinedChecksum fields optional on a type that has them.