static IntPtr n_SetSenderIdentity_Ljava_security_Principal_(IntPtr jnienv, IntPtr native__this, IntPtr native_senderIdentity)
        {
            global::Com.Aliyun.Alink.Linksdk.Alcs.Coap.AlcsCoAPRequest __this = global::Java.Lang.Object.GetObject <global::Com.Aliyun.Alink.Linksdk.Alcs.Coap.AlcsCoAPRequest> (jnienv, native__this, JniHandleOwnership.DoNotTransfer);
            global::Java.Security.IPrincipal senderIdentity = (global::Java.Security.IPrincipal)global::Java.Lang.Object.GetObject <global::Java.Security.IPrincipal> (native_senderIdentity, JniHandleOwnership.DoNotTransfer);
            IntPtr __ret = JNIEnv.ToLocalJniHandle(__this.SetSenderIdentity(senderIdentity));

            return(__ret);
        }
        public virtual unsafe global::Com.Aliyun.Alink.Linksdk.Alcs.Coap.AlcsCoAPRequest SetSenderIdentity(global::Java.Security.IPrincipal senderIdentity)
        {
            const string __id = "setSenderIdentity.(Ljava/security/Principal;)Lcom/aliyun/alink/linksdk/alcs/coap/AlcsCoAPRequest;";

            try {
                JniArgumentValue *__args = stackalloc JniArgumentValue [1];
                __args [0] = new JniArgumentValue((senderIdentity == null) ? IntPtr.Zero : ((global::Java.Lang.Object)senderIdentity).Handle);
                var __rm = _members.InstanceMethods.InvokeVirtualObjectMethod(__id, this, __args);
                return(global::Java.Lang.Object.GetObject <global::Com.Aliyun.Alink.Linksdk.Alcs.Coap.AlcsCoAPRequest> (__rm.Handle, JniHandleOwnership.TransferLocalRef));
            } finally {
            }
        }