function flushSyncimport { flushSync } from "https://deno.land/x/react_deno@17.0.2/dom.ts"; flushSync<R>(fn: () => R): RflushSync<A, R>(fn: (a: A) => R, a: A): RType ParametersRParametersfn: () => RReturnsRType ParametersARParametersfn: (a: A) => Ra: AReturnsR