SwiftDocCImageReferenceStructureImageReferenceA reference to an image.struct ImageReferenceTopicsStructuresstruct VariantProxyA codable proxy value that the image reference uses to serialize information about its asset variants.Initializersinit(from: any Decoder) throwsinit(identifier: RenderReferenceIdentifier, altText: String?, imageAsset: DataAsset)Creates a new image reference.Instance Propertiesvar altText: String?Alternate text for the image.var asset: DataAssetThe data associated with this asset, including its variants.var identifier: RenderReferenceIdentifierThe identifier of this reference.var type: RenderReferenceTypeThe type of this image reference.Instance Methodsfunc encode(to: any Encoder) throwsType Propertiesstatic let baseURL: URLThe relative URL to the folder that contains all images in the built documentation output.