function assertInstanceofimport { assertInstanceof } from "https://deno.land/x/replicache@v10.0.0-beta.0/asserts.ts"; assertInstanceof<T>(v: unknown, t: new (...args: unknown[]) => T): asserts v is TType ParametersTParametersv: unknownt: new (...args: unknown[]) => TReturnsasserts v is T