declare namespace org {
    namespace eclipse {
        namespace jetty {
            namespace websocket {
                namespace common {
                    namespace io {
                        class IOState {
                            public constructor()
                            public addListener(arg0: org.eclipse.jetty.websocket.common.io.IOState$ConnectionStateListener | org.eclipse.jetty.websocket.common.io.IOState$ConnectionStateListener$$Lambda): void
                            public assertInputOpen(): void
                            public assertOutputOpen(): void
                            public getCloseInfo(): org.eclipse.jetty.websocket.common.CloseInfo
                            public getConnectionState(): org.eclipse.jetty.websocket.common.ConnectionState
                            public isClosed(): boolean
                            public isInputAvailable(): boolean
                            public isOpen(): boolean
                            public isOutputAvailable(): boolean
                            public onAbnormalClose(arg0: org.eclipse.jetty.websocket.common.CloseInfo): void
                            public onCloseLocal(arg0: org.eclipse.jetty.websocket.common.CloseInfo): void
                            public onCloseRemote(arg0: org.eclipse.jetty.websocket.common.CloseInfo): void
                            public onConnected(): void
                            public onFailedUpgrade(): void
                            public onOpened(): void
                            public onReadFailure(arg0: java.lang.Throwable): void
                            public onWriteFailure(arg0: java.lang.Throwable): void
                            public onDisconnected(): void
                            public toString(): string
                            public wasAbnormalClose(): boolean
                            public wasCleanClose(): boolean
                            public wasLocalCloseInitiated(): boolean
                            public wasRemoteCloseInitiated(): boolean
                            public static class: java.lang.Class<any>
                        }
                    }
                }
            }
        }
    }
}