declare namespace org {
    namespace eclipse {
        namespace jetty {
            namespace util {
                class RegexSet extends java.util.AbstractSet<java.lang.String> {
                    public static readonly MATCHER: java.util.function$.BiFunction<org.eclipse.jetty.util.RegexSet, java.lang.String, java.lang.Boolean>
                    public constructor()
                    public iterator(): java.util.Iterator<java.lang.String>
                    public size(): int
                    public add(arg0: java.lang.String | string): boolean
                    public remove(arg0: java.lang.Object): boolean
                    public isEmpty(): boolean
                    public clear(): void
                    public matches(arg0: java.lang.String | string): boolean
                    public add(arg0: java.lang.Object): boolean
                    public static class: java.lang.Class<any>
                }
            }
        }
    }
}