src/main/java/io/reactivex/Flowable.java
@CheckReturnValue
    @BackpressureSupport(BackpressureKind.FULL)
    @SchedulerSupport(SchedulerSupport.NONE)
    public final Flowable<T> skip(long time, TimeUnit unit) {
        return skipUntil(timer(time, unit));
    }
@CheckReturnValue
    @BackpressureSupport(BackpressureKind.FULL)
    @SchedulerSupport(SchedulerSupport.NONE)
    public final Flowable<T> skip(long time, TimeUnit unit) {
        return skipUntil(timer(time, unit));
    }
Returns a Flowable that skips values emitted by the source Publisher before a specified time window
elapses.
<p>
<img width="640" height="305" src="https://raw.github.com/wiki/ReactiveX/RxJava/images/rx-operators/skip.t.png" alt="">
<dl>
<dt><b>Backpressure:</b></dt>
<dd>The operator doesn't support backpressure as it uses time to skip an arbitrary number of elements and
thus has to consume the source {@code Publisher} in an unbounded manner (i.e., no backpressure applied to it).</dd>
<dt><b>Scheduler:</b></dt>
<dd>{@code skip} does not operate on any particular scheduler but uses the current time
from the {@code computation} {@link Scheduler}.</dd>
</dl>

@param time
the length of the time window to skip
@param unit
the time unit of {@code time}
@return a Flowable that skips values emitted by the source Publisher before the time window defined
by {@code time} elapses and the emits the remainder
@see <a href="http://reactivex.io/documentation/operators/skip.html">ReactiveX operators documentation: Skip</a>