//
	// The bottom int32 is the current number of idle mark workers executing.
	//
	// The top int32 is the maximum number of idle mark workers allowed to
	// execute concurrently. Normally, this number is just gomaxprocs. However,
	// during periodic GC cycles it is set to 0 because the system is idle
	// anyway; there's no need to go full blast on all of GOMAXPROCS.
	//
	// The maximum number of idle mark workers is used to prevent new workers

	// connections per host, including connections in the dialing,
	// active, and idle states. On limit violation, dials will block.
	//
	// Zero means no limit.
	MaxConnsPerHost int

	// IdleConnTimeout is the maximum amount of time an idle
	// (keep-alive) connection will remain idle before closing
	// itself.
	// Zero means no limit.
	IdleConnTimeout time.Duration

	req, idle := ust.uss.qs.StartRequest(ctx, &fcrequest.WorkEstimate{InitialSeats: ust.uc.initialSeats, FinalSeats: ust.uc.finalSeats, AdditionalLatency: ust.uc.padDuration}, ust.uc.hash, "", ust.fsName, ust.uss.name, []int{ust.i, ust.j, k}, nil)
	ust.uss.t.Logf("%s: %d, %d, %d got req=%p, idle=%v", ust.uss.clk.Now().Format(nsTimeFmt), ust.i, ust.j, k, req, idle)
	if req == nil {

	// mcache before allocating, but idle Ps may not. Since this
	// is necessary to sweep all spans, we need to ensure all
	// mcaches are flushed before we start the next GC cycle.
	//
	// While we're here, flush the page cache for idle Ps to avoid
	// having pages get stuck on them. These pages are hidden from
	// the scavenger, so in small idle heaps a significant amount

	allPatternIsRoot bool // Is the "all" pattern an additional root?

	listRoots func(rs *Requirements) []string
}

func (ld *loader) reset() {
	select {
	case <-ld.work.Idle():
	default:
		panic("loader.reset when not idle")
	}

	ld.roots = nil
	ld.pkgCache = new(par.Cache[string, *loadPkg])
	ld.pkgs = nil
}

// error reports an error via either os.Stderr or base.Error,

 * your HTTP calls. This is because each client holds its own connection pool and thread pools.
 * Reusing connections and threads reduces latency and saves memory. Conversely, creating a client
 * for each request wastes resources on idle pools.
 *
 * Use `new OkHttpClient()` to create a shared instance with the default settings:
 *
 * ```java
 * // The singleton HTTP client.
 * public final OkHttpClient client = new OkHttpClient();
 * ```
 *

	for _, q := range r.wildcardQueries {
		q := q
		r.work.Add(func() {
			if q.version == "none" {
				r.queryNone(ctx, q)
			} else {
				r.queryWildcard(ctx, q)
			}
		})
	}
	<-r.work.Idle()
}

// queryWildcard adds a candidate set to q for each module for which:
//   - some version of the module is already in the build list, and
//   - that module exists at some version matching q.version, and

					enqueue(r, nextPruning)
				}
			}
		})
	}

	mustHaveGoRoot(roots)
	for _, m := range roots {
		enqueue(m, pruning)
	}
	<-loadQueue.Idle()

	// Reload any dependencies of the main modules which are not
	// at their selected versions at workspace mode, because the
	// requirements don't accurately reflect the transitive imports.
	if pruning == workspace {

		// Kubelet needs to be able to recover from stale http connections.
		// HTTP2 has a mechanism to detect broken connections by sending periodical pings.
		// HTTP1 only can have one persistent connection, and it will close all Idle connections
		// once the Kubelet heartbeat fails. However, since there are many edge cases that we can't
		// control, users can still opt-in to the previous behavior for closing the connections by

// reset back to smaller records after the connection becomes idle. See "High
// Performance Web Networking", Chapter 4, or:
// https://www.igvita.com/2013/10/24/optimizing-tls-record-size-and-buffering-latency/
//
// In the interests of simplicity and determinism, this code does not attempt
// to reset the record size once the connection is idle, however.
func (c *Conn) maxPayloadSizeForWrite(typ recordType) int {