A bit-map of boolean flags for this object. No flags are defined for this type.
An array of up to 256 ledger hashes. The contents depend on which sub-type of LedgerHashes object this is.
Optional
LastThe Ledger Index of the last entry in this object's Hashes array.
The LedgerHashes objects exist to make it possible to look up a previous ledger's hash with only the current ledger version and at most one lookup of a previous ledger version.