@type t() :: %SBoM.CycloneDX.V17.ProofOfConcept{
  __unknown_fields__: [Protobuf.unknown_field()],
  environment: String.t() | nil,
  reproductionSteps: String.t() | nil,
  supportingMaterial: [SBoM.CycloneDX.V17.AttachedText.t()]
}