/** PURE_IMPORTS_START .._observable_SubscribeOnObservable PURE_IMPORTS_END */
import { SubscribeOnObservable } from '../observable/SubscribeOnObservable';
/**
 * Asynchronously subscribes Observers to this Observable on the specified IScheduler.
 *
 * <img src="./img/subscribeOn.png" width="100%">
 *
 * @param {Scheduler} scheduler - The IScheduler to perform subscription actions on.
 * @return {Observable<T>} The source Observable modified so that its subscriptions happen on the specified IScheduler.
 .
 * @method subscribeOn
 * @owner Observable
 */
export function subscribeOn(scheduler, delay) {
    if (delay === void 0) {
        delay = 0;
    }
    return function subscribeOnOperatorFunction(source) {
        return source.lift(new SubscribeOnOperator(scheduler, delay));
    };
}
var SubscribeOnOperator = /*@__PURE__*/ (/*@__PURE__*/ function () {
    function SubscribeOnOperator(scheduler, delay) {
        this.scheduler = scheduler;
        this.delay = delay;
    }
    SubscribeOnOperator.prototype.call = function (subscriber, source) {
        return new SubscribeOnObservable(source, this.delay, this.scheduler).subscribe(subscriber);
    };
    return SubscribeOnOperator;
}());
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