@type t() :: %SBoM.CycloneDX.V16.CryptoProperties.RelatedCryptoMaterialProperties{
  __unknown_fields__: [Protobuf.unknown_field()],
  activationDate: Google.Protobuf.Timestamp.t() | nil,
  algorithmRef: String.t() | nil,
  creationDate: Google.Protobuf.Timestamp.t() | nil,
  expirationDate: Google.Protobuf.Timestamp.t() | nil,
  format: String.t() | nil,
  id: String.t() | nil,
  securedBy:
    SBoM.CycloneDX.V16.CryptoProperties.RelatedCryptoMaterialProperties.CryptoRelatedSecuredBy.t()
    | nil,
  size: integer() | nil,
  state:
    SBoM.CycloneDX.V16.CryptoProperties.RelatedCryptoMaterialProperties.CryptoRelatedState.t()
    | nil,
  type:
    SBoM.CycloneDX.V16.CryptoProperties.RelatedCryptoMaterialProperties.CryptoRelatedType.t()
    | nil,
  updateDate: Google.Protobuf.Timestamp.t() | nil,
  value: String.t() | nil
}