@type t() :: %SBoM.CycloneDX.V15.Bom{
  __unknown_fields__: [Protobuf.unknown_field()],
  annotations: [SBoM.CycloneDX.V15.Annotation.t()],
  components: [SBoM.CycloneDX.V15.Component.t()],
  compositions: [SBoM.CycloneDX.V15.Composition.t()],
  dependencies: [SBoM.CycloneDX.V15.Dependency.t()],
  external_references: [SBoM.CycloneDX.V15.ExternalReference.t()],
  formulation: [SBoM.CycloneDX.V15.Formula.t()],
  metadata: SBoM.CycloneDX.V15.Metadata.t() | nil,
  properties: [SBoM.CycloneDX.V15.Property.t()],
  serial_number: String.t() | nil,
  services: [SBoM.CycloneDX.V15.Service.t()],
  spec_version: String.t(),
  version: integer() | nil,
  vulnerabilities: [SBoM.CycloneDX.V15.Vulnerability.t()]
}