declare namespace org {
    namespace eclipse {
        namespace jetty {
            namespace websocket {
                namespace client {
                    namespace io {
                        class UpgradeConnection$State extends java.lang.Enum<org.eclipse.jetty.websocket.client.io.UpgradeConnection$State> {
                            public static readonly REQUEST: org.eclipse.jetty.websocket.client.io.UpgradeConnection$State
                            public static readonly RESPONSE: org.eclipse.jetty.websocket.client.io.UpgradeConnection$State
                            public static readonly FAILURE: org.eclipse.jetty.websocket.client.io.UpgradeConnection$State
                            public static readonly UPGRADE: org.eclipse.jetty.websocket.client.io.UpgradeConnection$State
                            public static values(): org.eclipse.jetty.websocket.client.io.UpgradeConnection$State[]
                            public static valueOf(arg0: java.lang.String | string): org.eclipse.jetty.websocket.client.io.UpgradeConnection$State
                            public static class: java.lang.Class<any>
                        }
                    }
                }
            }
        }
    }
}