declare namespace org {
    namespace eclipse {
        namespace jetty {
            namespace io {
                abstract class NegotiatingClientConnection extends org.eclipse.jetty.io.AbstractConnection {
                    protected constructor(arg0: org.eclipse.jetty.io.EndPoint, arg1: java.util.concurrent.Executor | java.util.concurrent.Executor$$Lambda, arg2: javax.net.ssl.SSLEngine, arg3: org.eclipse.jetty.io.ClientConnectionFactory | org.eclipse.jetty.io.ClientConnectionFactory$$Lambda, arg4: java.util.Map<java.lang.String, java.lang.Object>)
                    protected getSSLEngine(): javax.net.ssl.SSLEngine
                    protected completed(): void
                    public onOpen(): void
                    public onFillable(): void
                    public close(): void
                    public static class: java.lang.Class<any>
                }
            }
        }
    }
}