}
    return nodeConnections.buildOrThrow();
  }

  @SuppressWarnings("unchecked")
  private static <N> GraphConnections<N, Presence> connectionsOf(Graph<N> graph, N node) {
    Function<N, Presence> edgeValueFn =
        (Function<N, Presence>) Functions.constant(Presence.EDGE_EXISTS);
    return graph.isDirected()
        ? DirectedGraphConnections.ofImmutable(node, graph.incidentEdges(node), edgeValueFn)

}

type StringMatch struct {
	Exact    string `json:"Exact,omitempty"`
	Suffix   string `json:"Suffix,omitempty"`
	Prefix   string `json:"Prefix,omitempty"`
	Presence any    `json:"Presence,omitempty"`
}

type ZtunnelPolicy struct {
	Name      string             `json:"name"`
	Namespace string             `json:"namespace"`
	Scope     string             `json:"scope"`

package com.google.common.annotations;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * The presence of this annotation on an API indicates that the method may not be used with
 * J2kt.
 *
 * @since 32.0.0
 */
@Retention(RetentionPolicy.CLASS)

    @Override
    public boolean isEmpty() {
        return map.isEmpty();
    }

    /**
     * Returns true if this set contains the specified element.
     *
     * @param o
     *            element whose presence in this set is to be tested.
     * @return true if this set contains the specified element.
     */
    @Override
    public boolean contains(final Object o) {
        return map.containsKey(o);
    }

    /**

package com.google.common.annotations;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * The presence of this annotation on an API indicates that the method may not be used with
 * J2kt.
 *
 * @since 32.0.0
 */
@Retention(RetentionPolicy.CLASS)

/**
 * Creates a [Provider] that returns `true` when this [Provider] has a value
 * and `false` otherwise. The returned [Provider] always has a value.
 * @see Provider.isPresent
 */
private
fun <T> Provider<T>.presence(): Provider<Boolean> =
    map { true }.orElse(false)


fun Project.gradleProperty(propertyName: String) = providers.gradleProperty(propertyName)

  portLevelMtls:
    9090:
      mode: PERMISSIVE
```

will be translated into this `Authorization`:

```yaml
action: DENY
groups:
- rules:
  - matches:
    - notPrincipals:
      - presence: {}
- rules:
  - matches:
    - notDestinationPorts:
      - 9090
name: converted_peer_authentication_strict-and-permissive-mtls
scope: WORKLOAD_SELECTOR
```

///

First, we create a `GzipRequest` class, which will overwrite the `Request.body()` method to decompress the body in the presence of an appropriate header.

If there's no `gzip` in the header, it will not try to decompress the body.

That way, the same route class can handle gzip compressed or uncompressed requests.

     *
     * @return the top-level directory path
     */
    @Nonnull
    Path topDirectory();

    /**
     * Returns the root directory of the Maven invocation, if found. This is determined by the presence of a
     * {@code .mvn} directory or a POM with the root="true" property but is not always applicable (ie invocation
     * from outside a checkout).
     *
     * @return the root directory path, if present
     */

	"istio.io/istio/pkg/wellknown"
)

const (
	// HTTPListener identifies a listener as being of HTTP type by the presence of an HTTP connection manager filter
	HTTPListener = wellknown.HTTPConnectionManager

	// TCPListener identifies a listener as being of TCP type by the presence of TCP proxy filter
	TCPListener = wellknown.TCPProxy

	IPMatcher = "type.googleapis.com/xds.type.matcher.v3.IPMatcher"
)