declare namespace org {
    namespace eclipse {
        namespace jetty {
            namespace websocket {
                namespace common {
                    namespace frames {
                        class DataFrame extends org.eclipse.jetty.websocket.common.WebSocketFrame {
                            protected constructor(arg0: byte)
                            public constructor(arg0: org.eclipse.jetty.websocket.api.extensions.Frame)
                            public constructor(arg0: org.eclipse.jetty.websocket.api.extensions.Frame, arg1: boolean)
                            public assertValid(): void
                            public isControlFrame(): boolean
                            public isDataFrame(): boolean
                            public setIsContinuation(): void
                            public static class: java.lang.Class<any>
                        }
                    }
                }
            }
        }
    }
}