declare namespace org {
    namespace eclipse {
        namespace jetty {
            namespace util {
                class ConcurrentHashSet<E> extends java.util.AbstractSet<E> implements java.util.Set<E> {
                    public constructor()
                    public add(arg0: E): boolean
                    public clear(): void
                    public contains(arg0: java.lang.Object): boolean
                    public containsAll(arg0: java.util.Collection<any>): boolean
                    public equals(arg0: java.lang.Object): boolean
                    public hashCode(): int
                    public isEmpty(): boolean
                    public iterator(): java.util.Iterator<E>
                    public remove(arg0: java.lang.Object): boolean
                    public removeAll(arg0: java.util.Collection<any>): boolean
                    public retainAll(arg0: java.util.Collection<any>): boolean
                    public size(): int
                    public toArray(): java.lang.Object[]
                    public toArray<T>(arg0: T[]): T[]
                    public toString<T>(): string
                    public static class: java.lang.Class<any>
                }
            }
        }
    }
}