method RpcCore.prototype._newTypeimport { RpcCore } from "https://deno.land/x/polkadot@0.2.29/rpc-core/mod.ts"; _newType(registry: Registry,blockHash: | Uint8Array | string | null | undefined,key: StorageKey,input: string | Uint8Array | null,isEmpty: boolean,entryIndex?,): CodecParametersregistry: RegistryblockHash: | Uint8Array | string | null | undefinedkey: StorageKeyinput: string | Uint8Array | nullisEmpty: booleanoptionalentryIndex = [UNSUPPORTED]ReturnsCodec