code: private void buildTimeZoneExemplarCities(MethodSpec.Builder method, TimeZoneData data) {
      CodeBlock.Builder code = CodeBlock.builder();
      code.beginControlFlow("this.exemplarCities = new $T<$T, $T>() {", HashMap.class, String.class, String.class);
      for (TimeZoneInfo info : data.timeZoneInfo) {
        code.addStatement("put($S, $S)", info.zone, info.exemplarCity);
      }
      code.endControlFlow("}");
      method.addCode(code.build());
    }
docs: Mapping locale identifiers to their localized exemplar cities.