}
    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)

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)

 * or even removal, in a future release. An API bearing this annotation is exempt from any
 * compatibility guarantees made by its containing library. Note that the presence of this
 * annotation implies nothing about the quality or performance of the API in question, only the fact
 * that it is not "API-frozen."
 *

 * or even removal, in a future release. An API bearing this annotation is exempt from any
 * compatibility guarantees made by its containing library. Note that the presence of this
 * annotation implies nothing about the quality or performance of the API in question, only the fact
 * that it is not "API-frozen."
 *

/**
 * 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 : Any> Provider<T>.presence(): Provider<Boolean> =
    map { true }.orElse(false)


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

 * compiler to autostrip the normal server method in order to expose the special, inherited GWT
 * version.
 */
@GwtCompatible
final class Partially {
  /**
   * The presence of this annotation on an API indicates that the method <i>may</i> be used with the
   * <a href="http://www.gwtproject.org/">Google Web Toolkit</a> (GWT) but that it has <i>some
   * restrictions</i>.
   */

import java.lang.annotation.Documented;
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 a type indicates that the type may be used with <a
 * href="https://www.gwtproject.org/">GWT</a> or <a href="https://github.com/google/j2cl">J2CL</a>.
 *

import java.lang.annotation.Documented;
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
 * the <a href="http://www.gwtproject.org/">Google Web Toolkit</a> (GWT).
 *
 * <p>This annotation behaves identically to <a href=

 * compiler to autostrip the normal server method in order to expose the special, inherited GWT
 * version.
 */
@GwtCompatible
final class Partially {
  /**
   * The presence of this annotation on an API indicates that the method <i>may</i> be used with the
   * <a href="http://www.gwtproject.org/">Google Web Toolkit</a> (GWT) but that it has <i>some
   * restrictions</i>.
   */

   */
  ALLOWS_NULL_QUERIES,
  ALLOWS_NULL_VALUES(ALLOWS_NULL_QUERIES),

  /**
   * Indicates that a collection disallows certain elements (other than {@code null}, whose validity
   * as an element is indicated by the presence or absence of {@link #ALLOWS_NULL_VALUES}). From the
   * documentation for {@link Collection}:
   *
   * <blockquote>
   *
   * "Some collection implementations have restrictions on the elements that they may contain. For