SwiftDocCVideoReferenceVideoReference.VariantProxyStructureVideoReference.VariantProxyA codable proxy value that the video reference uses to serialize information about its asset variants.struct VariantProxyTopicsInitializersinit(from: any Decoder) throwsInstance Propertiesvar traits: [String]The traits of this video reference.var url: URLThe URL to the file for this video variant.Instance Methodsfunc encode(to: any Encoder) throws