String beginTemplate(String type, V version) {
    return "{\n"
      + "  " + indexPattern(type, version) + ",\n"
      + indexTemplate(version)
      + "  \"settings\": {\n"
      + indexProperties(version);
  }
In Zipkin search, we do exact match only (keyword). Norms is about scoring. We don't use that
in our API, and disable it to reduce disk storage needed.
zipkin-storage/elasticsearch/src/main/java/zipkin2/elasticsearch/VersionSpecificTemplates.java