test.json

{
    "openconfig-bgp:global": {
        "config": {
            "as": 65002
        }
    },
    "openconfig-bgp:neighbors": {
        "neighbor": [
            {
                "neighbor-address": "10.10.10.154",
                "config": {
                    "peer-group": "XYZ",
                    "neighbor-address": "10.10.10.154"
                }
            },
            {
                "neighbor-address": "10.10.10.157",
                "config": {
                    "peer-group": "XYZ",
                    "neighbor-address": "10.10.10.157"
                }
            }
        ]
    },
    "openconfig-bgp:peer-groups": {
        "peer-group": [
            {
                "peer-group-name": "XYZ",
                "config": {
                    "peer-group-name": "XYZ",
                    "peer-as": 65002
                }
            }
        ]
    }
}