method Init.prototype._metaFromChainimport { Init } from "https://dotland.deno.dev/x/polkadot@0.2.45/api/base/Init.ts"; _metaFromChain(optMetadata?: Record<string, HexString>): Promise<[Hash, Metadata]>ParametersoptionaloptMetadata: Record<string, HexString>ReturnsPromise<[Hash, Metadata]>