import java.util.Set;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * An assortment of mainly legacy static utility methods that operate on or return objects of type
 * {@code Iterable}. Except as noted, each method has a corresponding {@link Iterator}-based method
 * in the {@link Iterators} class.
 *

// webhook.
type WebhookParameters struct {
	// Watcher watches the sidecar injection configuration.
	Watcher Watcher

	// Port is the webhook port, e.g. typically 443 for https.
	// This is mainly used for tests. Webhook runs on the port started by Istiod.
	Port int

	Env *model.Environment

	// Use an existing mux instead of creating our own.
	Mux *http.ServeMux

import java.util.stream.Stream;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * An assortment of mainly legacy static utility methods that operate on or return objects of type
 * {@code Iterable}. Except as noted, each method has a corresponding {@link Iterator}-based method
 * in the {@link Iterators} class.
 *

// TODO: given how tightly tied listener.FilterChains, opts.filterChainOpts, and mutable.FilterChains
// are to each other we should encapsulate them some way to ensure they remain consistent (mainly that
// in each an index refers to the same chain).
func (ml *MutableGatewayListener) build(builder *ListenerBuilder, opts gatewayListenerOpts) error {
	if len(opts.filterChainOpts) == 0 {

  // +listType=map
  // +listMapKey=rule
  repeated ValidationRule xKubernetesValidations = 44;
}

// JSONSchemaPropsOrArray represents a value that can either be a JSONSchemaProps
// or an array of JSONSchemaProps. Mainly here for serialization purposes.
message JSONSchemaPropsOrArray {
  optional JSONSchemaProps schema = 1;

  // +listType=atomic
  repeated JSONSchemaProps jSONSchemas = 2;
}

  // +listType=map
  // +listMapKey=rule
  repeated ValidationRule xKubernetesValidations = 44;
}

// JSONSchemaPropsOrArray represents a value that can either be a JSONSchemaProps
// or an array of JSONSchemaProps. Mainly here for serialization purposes.
message JSONSchemaPropsOrArray {
  optional JSONSchemaProps schema = 1;

  // +listType=atomic
  repeated JSONSchemaProps jSONSchemas = 2;
}

   * array whose contents are initially non-null. The {@code @Nullable} annotation indicates that
   * this method will write nulls into the array during iteration.
   *
   * <p>This is mainly just to avoid the intermediate ArrayDeque in ConsumingQueueIterator.
   */
  private static <I extends Iterator<?>> Iterator<I> consumingForArray(@Nullable I... elements) {
    return new UnmodifiableIterator<I>() {

   * array whose contents are initially non-null. The {@code @Nullable} annotation indicates that
   * this method will write nulls into the array during iteration.
   *
   * <p>This is mainly just to avoid the intermediate ArrayDeque in ConsumingQueueIterator.
   */
  private static <I extends Iterator<?>> Iterator<I> consumingForArray(@Nullable I... elements) {
    return new UnmodifiableIterator<I>() {

		c.groupResource,
		identifier,
	)

	// note that c.waitUntilWatchCacheFreshAndForceAllEvents must be called without
	// the c.watchCache.RLock held otherwise we are at risk of a deadlock
	// mainly because c.watchCache.processEvent method won't be able to make progress
	//
	// moreover even though the c.waitUntilWatchCacheFreshAndForceAllEvents acquires a lock

// 2) Is only used by binary op like AddOp, SubOp, MulOp or DivOp.
def HasOneUseOrUsedByOnlyBinaryOps : Constraint<CPred<
  "TFL::HasOneUseOrUsedByOnlyBinaryOps($0)">>;

// Pattern for skipping Tile if it is mainly for broadcasting and the
// Op is already supporting broadcasting.
multiclass FuseTileBroadcastIntoFollowingBinary<Op BinaryOp> {
  def FuseTileBroadcastToBinaryOp1#BinaryOp : Pat<