preferredTtl

@SerialName(value = "preferred_ttl")
val preferredTtl: Duration?(source)

OPTIONAL. A duration specifying a PID or Attestation Provider's preference for the remaining validity period of the WUA it receives during issuance, in seconds. A Wallet Provider SHALL ensure that a Wallet Unit can always present a WUA with a remaining validity period of at least 31 days for their WSCD. See: https://github.com/eu-digital-identity-wallet/eudi-doc-standards-and-technical-specifications/blob/main/docs/technical-specifications/ts3-wallet-unit-attestation.md