Removed `json()`, `html()` and `xml()` from `RequestPredicates`, since they were confusingly named and would also require a counterpart that reads the request `Content-Type` instead of the `Accept` header.
Removed `json()`, `html()` and `xml()` from `RequestPredicates`, since they were confusingly named and would also require a counterpart that reads the request `Content-Type` instead of the `Accept` header.