public static <T> Flux<T> mergeSequential(Publisher<? extends Publisher<? extends T>> sources,
			int maxConcurrency, int prefetch) {
    """
	Merge data from {@link Publisher} sequences emitted by the passed {@link Publisher}
	into an ordered merged sequence. Unlike concat, the inner publishers are subscribed to
	eagerly (but at most {@code maxConcurrency} sources at a time). Unlike merge, their
	emitted values are merged into the final sequence in subscription order.
	<p>
	<img class="marble" src="doc-files/marbles/mergeSequentialAsyncSources.svg" alt="">
	
	@param sources a {@link Publisher} of {@link Publisher} sources to merge
	@param prefetch the inner source request size
	@param maxConcurrency the request produced to the main source thus limiting concurrent merge backlog
	@param <T> the merged type
	
	@return a merged {@link Flux}, subscribing early but keeping the original ordering
    """
		return mergeSequential(sources, false, maxConcurrency, prefetch);
	}
public static <T> Flux<T> mergeSequential(Publisher<? extends Publisher<? extends T>> sources,
			int maxConcurrency, int prefetch) {
		return mergeSequential(sources, false, maxConcurrency, prefetch);
	}
public static < T > Flux < T > mergeSequential ( Publisher < ? extends Publisher < ? extends T > > sources , int maxConcurrency , int prefetch ) { return mergeSequential ( sources , false , maxConcurrency , prefetch ) ; }
Merge data from {@link Publisher} sequences emitted by the passed {@link Publisher}
into an ordered merged sequence. Unlike concat, the inner publishers are subscribed to
eagerly (but at most {@code maxConcurrency} sources at a time). Unlike merge, their
emitted values are merged into the final sequence in subscription order.
<p>
<img class="marble" src="doc-files/marbles/mergeSequentialAsyncSources.svg" alt="">

@param sources a {@link Publisher} of {@link Publisher} sources to merge
@param prefetch the inner source request size
@param maxConcurrency the request produced to the main source thus limiting concurrent merge backlog
@param <T> the merged type

@return a merged {@link Flux}, subscribing early but keeping the original ordering
Merge data from { @link Publisher } sequences emitted by the passed { @link Publisher } into an ordered merged sequence . Unlike concat the inner publishers are subscribed to eagerly ( but at most { @code maxConcurrency } sources at a time ) . Unlike merge their emitted values are merged into the final sequence in subscription order . <p > <img class = marble src = doc - files / marbles / mergeSequentialAsyncSources . svg alt = >