method BTreeMap.withRe-exportimport { BTreeMap } from "https://deno.land/x/polkadot@0.2.45/types/bundle.ts"; with<K extends Codec, V extends Codec>(keyType: CodecClass<K> | string, valType: CodecClass<V> | string): CodecClass<CodecMap<K, V>>Type ParametersK extends CodecV extends CodecParameterskeyType: CodecClass<K> | stringvalType: CodecClass<V> | stringReturnsCodecClass<CodecMap<K, V>>