declare namespace org {
    namespace eclipse {
        namespace jetty {
            namespace websocket {
                namespace api {
                    namespace extensions {
                        interface Frame {
                            getMask(): byte[]
                            getOpCode(): byte
                            getPayload(): java.nio.ByteBuffer
                            getPayloadLength(): int
                            getType(): org.eclipse.jetty.websocket.api.extensions.Frame$Type
                            hasPayload(): boolean
                            isFin(): boolean
                            isLast(): boolean
                            isMasked(): boolean
                            isRsv1(): boolean
                            isRsv2(): boolean
                            isRsv3(): boolean
                        }
                    }
                }
            }
        }
    }
}