Q: What do entries mean: "void deCONZ::zmNode::setFetched..."

On a test Conbee II on 2.14.1. running in a Docker container with Info L2 logging I see a lot of these messages. I’m wondering what they mean?

15:48:06:833 void deCONZ::zmNode::setFetched(deCONZ::RequestId, bool) fetched item: 9, node: 0xD4C2
15:48:08:862 void deCONZ::zmNode::setFetched(deCONZ::RequestId, bool) fetched item: 8, node: 0x58B9
15:48:10:671 void deCONZ::zmNode::setFetched(deCONZ::RequestId, bool) fetched item: 9, node: 0xD4C2
15:48:10:718 void deCONZ::zmNode::setFetched(deCONZ::RequestId, bool) fetched item: 9, node: 0xD4C2
15:48:11:602 void deCONZ::zmNode::setFetched(deCONZ::RequestId, bool) fetched item: 9, node: 0xD4C2
15:48:11:761 void deCONZ::zmNode::setFetched(deCONZ::RequestId, bool) fetched item: 8, node: 0x0000

This is some very old code which doesn’t do much and is about to be removed, it was part of fetching data from nodes which is nowadays mostly done by the REST API plugin.