import com.google.errorprone.annotations.Immutable;

/**
 * A {@link ValueGraph} whose elements and structural relationships will never change. Instances of
 * this class may be obtained with {@link #copyOf(ValueGraph)}.
 *
 * <p>See the Guava User's Guide's <a
 * href="https://github.com/google/guava/wiki/GraphsExplained#immutable-implementations">discussion

package com.google.common.hash;

import com.google.common.base.Supplier;
import com.google.errorprone.annotations.Immutable;

/**
 * Explicitly named subinterface of {@link Supplier} that can be marked {@literal @}{@link
 * Immutable}.
 */
// TODO(cpovirk): Should we just use ChecksumType directly instead of defining this type?
@Immutable
@ElementTypesAreNonnullByDefault

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

/**
 * The {@code ThreadSafe} annotation can be used to indicate a given type
 * is thread safe.  {@link Immutable} objects are automatically thread safe.
 *
 * @see Immutable
 * @see NotThreadSafe
 * @since 4.0.0
 */
@Experimental
@Documented
@Retention(RetentionPolicy.CLASS)
@Target(ElementType.TYPE)

        NetworkBuilder.directed().<String, Integer>immutable().addNode("A").build();

    assertThat(network.nodes()).containsExactly("A");
    assertThat(network.edges()).isEmpty();
  }

  @Test
  public void immutableNetworkBuilder_putEdgeFromNodes() {
    ImmutableNetwork<String, Integer> network =
        NetworkBuilder.directed().<String, Integer>immutable().addEdge("A", "B", 10).build();

  }

  /**
   * Returns an immutable map containing the given entries, in order.
   *
   * @throws IllegalArgumentException if duplicate keys are provided
   */
  public static <K, V> ImmutableMap<K, V> of(K k1, V v1, K k2, V v2) {
    return RegularImmutableMap.fromEntries(entryOf(k1, v1), entryOf(k2, v2));
  }

  /**
   * Returns an immutable map containing the given entries, in order.
   *

 -----
 Vincent Siveton
 -----
 2006-11-04
 -----

Maven 4 API - Immutable Toolchains Model

 This is strictly the immutable model for Maven toolchains in <<<org.apache.maven.api.toolchain>>> package.

 The following are generated from this model:

   * {{{./apidocs/index.html}Java sources}} with <<<Builder>>> inner classes for immutable instances creation.

  }

  /**
   * Returns an immutable collection of the values for the given key. If no mappings in the multimap
   * have the provided key, an empty immutable collection is returned. The values are in the same
   * order as the parameters used to build this multimap.
   */
  @Override
  public abstract ImmutableCollection<V> get(K key);

  /**

    return (ImmutableBiMap<K, V>) RegularImmutableBiMap.EMPTY;
  }

  /** Returns an immutable bimap containing a single entry. */
  public static <K, V> ImmutableBiMap<K, V> of(K k1, V v1) {
    checkEntryNotNull(k1, v1);
    return new RegularImmutableBiMap<>(new Object[] {k1, v1}, 1);
  }

  /**
   * Returns an immutable map containing the given entries, in order.
   *

// CHECKSTYLE_OFF: RegexpHeader
/**
 * Maven immutable XML api.
 */

        ValueGraphBuilder.directed().<String, Integer>immutable().addNode("A").build();

    assertThat(graph.nodes()).containsExactly("A");
    assertThat(graph.edges()).isEmpty();
  }

  @Test
  public void immutableValueGraphBuilder_putEdgeFromNodes() {
    ImmutableValueGraph<String, Integer> graph =
        ValueGraphBuilder.directed()
            .<String, Integer>immutable()
            .putEdgeValue("A", "B", 10)