{ "name": "Zipkin", "website": "https://zipkin.io/", "matches": [ { "search": "headers[x-b3-flags]", "regexp": ".*" }, { "search": "headers[x-b3-parentspanid]", "regexp": ".*" }, { "search": "headers[x-b3-sampled]", "regexp": ".*" }, { "search": "headers[x-b3-spanid]", "regexp": ".*" }, { "search": "headers[x-b3-traceid]", "regexp": ".*" } ] }