*
 * @author Jesse Wilson
 * @author Kevin Bourrillion
 * @since 2.0
 */
@DoNotMock("Use ImmutableMap.of or another implementation")
@GwtCompatible
@SuppressWarnings("serial") // we're overriding default serialization
public abstract class ImmutableMap<K, V> implements Map<K, V>, Serializable {

  /**
   * Returns a {@link Collector} that accumulates elements into an {@code ImmutableMap} whose keys

            .build();

    RangeMap<Integer, Integer> copy = TreeRangeMap.copyOf(rangeMap);

    assertEquals(rangeMap.asMapOfRanges(), copy.asMapOfRanges());
  }

  // Overriding testEquals because it seems that we get spurious failures when it things empty
  // should be unequal to empty.
  public void testEquals() {
    TreeRangeMap<Integer, Integer> empty = TreeRangeMap.create();

 *
 * @since 2.0
 */
@DoNotMock("Use ImmutableList.of or another implementation")
@GwtCompatible
@SuppressWarnings("serial") // we're overriding default serialization
// TODO(kevinb): I think we should push everything down to "BaseImmutableCollection" or something,
// just to do everything we can to emphasize the "practically an interface" nature of this class.

/**
 * A {@link Set} whose contents will never change, with many other important properties detailed at
 * {@link ImmutableCollection}.
 *
 * @since 2.0
 */
@GwtCompatible
@SuppressWarnings("serial") // we're overriding default serialization
public abstract class ImmutableSet<E> extends ImmutableCollection<E> implements Set<E> {
  // @IgnoreJRERequirement is not necessary because this compiles down to a constant.

 *
 * @author Jesse Wilson
 * @author Kevin Bourrillion
 * @since 2.0
 */
@DoNotMock("Use ImmutableMap.of or another implementation")
@GwtCompatible
@SuppressWarnings("serial") // we're overriding default serialization
public abstract class ImmutableMap<K, V> implements Map<K, V>, Serializable {

  /**
   * Returns a {@link Collector} that accumulates elements into an {@code ImmutableMap} whose keys

        }
        if (value instanceof final String s) {
            return Float.parseFloat(s);
        }
        return 0.0f;
    }

    /**
     * Wrapper class for SearchRequestParams that allows overriding specific parameters.
     * This wrapper is used to modify pagination parameters while preserving all other
     * search request parameters from the parent object.
     */

   * override methods (probably called "unsafeDoForward" and "unsafeDoBackward") with the same
   * signatures as the methods below, rather than overriding the same doForward and doBackward
   * methods as implementations of normal converters do?
   *
   * But no matter what we do, it's worth remembering that the resulting code is going to be unsound

     */
    @Config(type = "java.lang.Boolean", defaultValue = "false")
    public static final String MAVEN_VERSION_RESOLVER_NO_CACHE = "maven.versionResolver.noCache";

    /**
     * User property for overriding calculated "build number" for snapshot deploys. Caution: this property should
     * be RARELY used (if used at all). It may help in special cases like "aligning" a reactor build subprojects

   * override methods (probably called "unsafeDoForward" and "unsafeDoBackward") with the same
   * signatures as the methods below, rather than overriding the same doForward and doBackward
   * methods as implementations of normal converters do?
   *
   * But no matter what we do, it's worth remembering that the resulting code is going to be unsound

 *  Fix: Handle response code `308 Permanent Redirect`.
 *  Fix: Don't skip the callback if a call is canceled.
 *  Fix: Permit hostnames with underscores.
 *  Fix: Permit overriding the content-type in `OkApacheClient`.
 *  Fix: Use the socket factory for direct connections.
 *  Fix: Honor `OkUrlFactory` APIs that disable redirects.
 *  Fix: Don't crash on concurrent modification of `SPDY` SPDY settings.