interface IOption implements Codecimport { type IOption } from "https://dotland.deno.dev/x/polkadot@0.2.23/types-codec/types/index.ts"; Type ParametersoptionalT extends Codec = CodecPropertiesreadonlyisNone: booleanreadonlyisSome: booleanreadonlyvalue: CodecMethodsunwrap(): TunwrapOr<O>(other: O): T | OunwrapOrDefault(): Timport IOptionimport { IOption } from "https://dotland.deno.dev/x/polkadot@0.2.23/types-codec/types/index.ts";