*
 * Username and password are either present, or the empty string `""` if absent. This class offers
 * no mechanism to differentiate empty from absent. Neither of these components are popular in
 * practice. Typically HTTP applications use other mechanisms for user identification and
 * authentication.
 *
 * ### Host
 *
 * The host identifies the webserver that serves the URL's resource. It is either a hostname like

  // introduce a very specific kind of data-race. And given the other operations performed by these
  // methods that involve volatile read/write operations, in practice there is no issue. Also, the
  // way in such a visibility issue would surface is most likely as a failure of cancel() to
  // propagate to the input. Cancellation propagation is fundamentally racy so this is fine.
  //

//   - For throughput-sensitive applications, such as large file transfers,
//     larger TLS records better amortize framing and encryption overheads.
//
// A simple heuristic that works well in practice is to use small records for
// the first 1MB of data, then use larger records for subsequent data, and
// reset back to smaller records after the connection becomes idle. See "High
// Performance Web Networking", Chapter 4, or:

		return nil
	}

	// Step 5: start ephemeral containers
	// These are started "prior" to init containers to allow running ephemeral containers even when there
	// are errors starting an init container. In practice init containers will start first since ephemeral
	// containers cannot be specified on pod creation.
	for _, idx := range podContainerChanges.EphemeralContainersToStart {

  // of migration TBD, and it may be a disruptive operation to change the Mesh
  // ID post-install.
  //
  // If the mesh admin does not specify a value, Istio will use the value of the
  // mesh's Trust Domain. The best practice is to select a proper Trust Domain
  // value.
  string meshID = 53;

  // Configure the mesh networks to be used by the Split Horizon EDS.
  //

	return curCtx, true, nil
}

func (o *ordering) advanceGCSweepActive(ev *baseEvent, evt *evTable, m ThreadID, gen uint64, curCtx schedCtx) (schedCtx, bool, error) {
	pid := ProcID(ev.args[0])
	// N.B. In practice Ps can't block while they're sweeping, so this can only
	// ever reference curCtx.P. However, be lenient about this like we are with
	// GCMarkAssistActive; there's no reason the runtime couldn't change to block

			worked += approxWorkedNSPerPhysicalPage * float64(r/physPageSize)
		} else {
			// TODO(mknyszek): If duration is small compared to worked, it could be
			// rounded down to zero. Probably not a problem in practice because the
			// values are all within a few orders of magnitude of each other but maybe
			// worth worrying about.
			worked += float64(duration)
		}
		released += r

// 966-975.
// For journal quality proofs that these steps are complete, correct, and terminate see
// Hudson, R., and Moss, J.E.B. Copying Garbage Collection without stopping the world.
// Concurrency and Computation: Practice and Experience 15(3-5), 2003.
//
// 1. GC performs sweep termination.
//
//    a. Stop the world. This causes all Ps to reach a GC safe-point.
//
//    b. Sweep any unswept spans. There will only be unswept spans if

					if sym, firstUse := genpltstub(ctxt, ldr, r, i, s); firstUse {
						stubs = append(stubs, sym)
					}

				case sym.SXREF:
					// Is this an ELF ABI defined function which is (in practice)
					// generated by the linker to save/restore callee save registers?
					// These are defined similarly for both PPC64 ELF and ELFv2.
					targName := ldr.SymName(r.Sym())

  }

  // Check if contracting this edge will break the resource variable concurrency
  // semantics.  In theory this is quadratic in the number of nodes, but seems
  // to not be a problem in practice so far.
  if (!debug_options_.ignore_resource_variable_checks) {
    for (int resource_var_from : from->resource_var_operation_node_ids()) {
      for (int resource_var_to : to->resource_var_operation_node_ids()) {