type alias HexDigitimport { type HexDigit } from "https://deno.land/x/polkadot@0.2.11/util/types.ts"; definition: | "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" | "a" | "b" | "c" | "d" | "e" | "f"