/*
* Copyright (C) 2009 The Guava Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.common.collect;
import static com.google.common.base.Preconditions.checkArgument;
import java.util.Set;
/**
* GWT emulation of {@link RegularImmutableSet}.
*
* @author Hayward Chan
*/
final class RegularImmutableSet<E> extends ForwardingImmutableSet<E> {
RegularImmutableSet(Set<E> delegate) {
super(delegate);
// Required for GWT deserialization because the server-side implementation
// requires this.
checkArgument(delegate.size() >= 2);
}
}