SwiftDocCDownloadReferenceStructureDownloadReferenceA reference to a resource that can be downloaded.struct DownloadReferenceTopicsInitializersinit(from: any Decoder) throwsinit(identifier: RenderReferenceIdentifier, renderURL: URL, checksum: String?)Creates a new reference to a downloadable resource.init(identifier: RenderReferenceIdentifier, verbatimURL: URL, checksum: String?)Creates a new reference to a downloadable resource, with a URL that should be encoded as-is.Instance Propertiesvar checksum: String?The SHA512 hash value for the resource.var identifier: RenderReferenceIdentifiervar type: RenderReferenceTypevar url: URLThe location of the downloadable resource.Instance Methodsfunc encode(to: any Encoder) throwsType Propertiesstatic var baseURL: URLstatic let locationName: StringThe name you use for the directory that contains download items.