This contains the result of the
initialize call, it *must* have
the number of MasterKeys requested.
Parameters needed to initialize a new vault
the numbers of unseal keys
the quorum of unseal keys needed to unseal
Whether or not the vault is sealed.
The number of existing MasterKeys
The number of keys out of total that have been provided so far to unseal
An algebra which represents an operation interacting with a [HashiCorp Vault](https://www.vaultproject.io/docs/) server