class GenericChainProperties extends Jsonimport { GenericChainProperties } from "https://dotland.deno.dev/x/polkadot@0.2.45/types/bundle.ts"; ConstructorsnewGenericChainProperties(registry: Registry, value?: Map<string, unknown> | Record<string, unknown> | null)PropertiesreadonlyisEthereum: Boolreadonlyss58Format: Option<u32>readonlytokenDecimals: Option<Vec<u32>>readonlytokenSymbol: Option<Vec<Text>>