class Linkage extends Structimport { Linkage } from "https://deno.land/x/polkadot@0.2.37/types/codec/index.ts"; ConstructorsnewLinkage(registry: Registry,Type: CodecClass | string,value?: unknown,)Type ParametersT extends CodecPropertiesreadonlynext: Option<T>readonlyprevious: Option<T>MethodstoRawType(): stringtoU8a(isBare?: boolean): Uint8ArrayStatic MethodswithKey<O extends Codec>(Type: CodecClass | string): CodecClass<Linkage<O>>