createRequest method
Implementation
@override
ValidationRequest<DateTime> createRequest(Request request) {
var rrrR = request.path.calledPath ==
"/packages/build_web_compilers/src/dev_compiler_stack_trace/stack_trace_mapper.dart.js";
if (rrrR) {
print("REQ CREATING $request");
}
return ValidationRequest<DateTime>.fromRequest(
request, _getIfModifiedSince(request.headers), this);
}