Package hashivault provides a secrets implementation using the Transit
Secrets Engine of Vault by Hashicorp.
Use OpenKeeper to construct a *secrets.Keeper.
For secrets.OpenKeeper, hashivault registers for the scheme "hashivault".
The default URL opener will dial a Vault server using the environment variables
"VAULT_SERVER_URL" (or "VAULT_ADDR") and "VAULT_SERVER_TOKEN" (or "VAULT_TOKEN").
To customize the URL opener, or for more details on the URL format,
see URLOpener.
See https://gocloud.dev/concepts/urls/ for background information.
hashivault does not support any types for As.