function returnsNextimport { returnsNext } from "https://dotland.deno.dev/std@0.181.0/testing/mock.ts"; returnsNext<Return, Self = any, Args extends unknown[] = any[]>(values: Iterable<Return | Error>): (this: Self, ...args: Args) => ReturnCreates a function that returns the iterable values. Any iterable values that are errors will be thrown. Type ParametersReturnoptionalSelf = anyoptionalArgs extends unknown[] = any[]Parametersvalues: Iterable<Return | Error>Returns(this: Self, ...args: Args) => Return