update

node_modules/rxjs/operator/skipLast.d.ts

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+import { Observable } from '../Observable';
+/**
+ * Skip the last `count` values emitted by the source Observable.
+ *
+ * <img src="./img/skipLast.png" width="100%">
+ *
+ * `skipLast` returns an Observable that accumulates a queue with a length
+ * enough to store the first `count` values. As more values are received,
+ * values are taken from the front of the queue and produced on the result
+ * sequence. This causes values to be delayed.
+ *
+ * @example <caption>Skip the last 2 values of an Observable with many values</caption>
+ * var many = Rx.Observable.range(1, 5);
+ * var skipLastTwo = many.skipLast(2);
+ * skipLastTwo.subscribe(x => console.log(x));
+ *
+ * // Results in:
+ * // 1 2 3
+ *
+ * @see {@link skip}
+ * @see {@link skipUntil}
+ * @see {@link skipWhile}
+ * @see {@link take}
+ *
+ * @throws {ArgumentOutOfRangeError} When using `skipLast(i)`, it throws
+ * ArgumentOutOrRangeError if `i < 0`.
+ *
+ * @param {number} count Number of elements to skip from the end of the source Observable.
+ * @returns {Observable<T>} An Observable that skips the last count values
+ * emitted by the source Observable.
+ * @method skipLast
+ * @owner Observable
+ */
+export declare function skipLast<T>(this: Observable<T>, count: number): Observable<T>;