function typeGuardimport { typeGuard } from "https://deno.land/x/windmill@v1.245.0/node_modules/tsafe/typeGuard.d.ts"; typeGuard<T>(_value: any, isMatched: boolean): _value is Thttps://docs.tsafe.dev/typeguard https://docs.tsafe.dev/typeguard Type ParametersTParameters_value: anyisMatched: booleanReturns_value is T