class BlockRune extends PatternRune<known.SignedBlock, C, U, BlockHashRune<C, U>>import { BlockRune } from "https://deno.land/x/capi@v0.1.1-beta.1/fluent/BlockRune.ts"; Type ParametersC extends ChainUPropertieshashMethodsevents()extrinsics()extrinsicsRaw()header()