StreamClass.dropEvery<S>(source: Source<S>,every: number): StreamClass<Exclude<S, AnyFailure>, Extract<S, AnyFailure>>
StreamClass#dropEvery as a static: Stream.dropEvery(source, …) is
Stream.from(source).dropEvery(…).
await Stream.dropEvery([1, 2, 3, 4], 2).collect(); // [2, 4]
StreamClass<Exclude<S, AnyFailure>, Extract<S, AnyFailure>>