case *parse.ListNode:
		for _, node := range node.Nodes {
			s.walk(dot, node)
		}
	case *parse.RangeNode:
		s.walkRange(dot, node)
	case *parse.TemplateNode:
		s.walkTemplate(dot, node)
	case *parse.TextNode:
		if _, err := s.wr.Write(node.Text); err != nil {
			s.writeError(err)
		}
	case *parse.WithNode:
		s.walkIfOrWith(parse.NodeWith, dot, node.Pipe, node.List, node.ElseList)
	default:

    def "collects endorsed strict versions from multiple sources"() {
        when:
        edge(root, false) // not-endorsing edge
        def endorseFrom1 = edge(root, false, null, nextNode(1), true)
        def endorseFrom2 = edge(root, false, null, nextNode(4), true)
        root.collectEndorsedStrictVersions([endorseFrom1, endorseFrom2])
        def endorsedStrictVersions = root.getEndorsedStrictVersions(edge(root, false))

        then:

rides":[]},"gridPos":{"h":3,"w":6,"x":0,"y":3},"id":20,"links":[],"maxDataPoints":100,"options":{"colorMode":"none","graphMode":"area","justifyMode":"auto","orientation":"horizontal","reduceOptions":{"calcs":["mean"],"fields":"","values":false},"textMode":"auto"},"pluginVersion":"10.1.5","targets":[{"datasource":{"type":"prometheus","uid":"${datasource}"},"expr":"round(sum(irate(istio_requests_total{reporter=\"source\"}[1m])), 0.001)","intervalFactor":1,"refId":"A","step":4}],"title":"Global Request...

          "calcs": [
            "mean"
          ],
          "fields": "",
          "values": false
        },
        "showPercentChange": false,
        "text": {},
        "textMode": "auto",
        "wideLayout": true
      },
      "pluginVersion": "10.4.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",