code: public static Map<RouteDefinition, Method> get(Class clazz) {
  
  		Map<RouteDefinition, Method> out = new HashMap<>();
  
  		Map<RouteDefinition, Method> candidates = collect(clazz);
  		// Final check if definitions are OK
  		for (RouteDefinition definition : candidates.keySet()) {
  
  			if (definition.getMethod() == null) { // skip non REST methods
  				continue;
  			}
  
  			Method method = candidates.get(definition);
  			Assert.notNull(definition.getRoutePath(), getClassMethod(clazz, method) + " - Missing route @Path!");
  
  			int bodyParamCount = 0;
  			for (MethodParameter param : definition.getParameters()) {
  				if (bodyParamCount > 0 && (ParameterType.body.equals(param.getType()) || ParameterType.unknown.equals(param.getType()))) {
  					// OK we have to body params ...
  					throw new IllegalArgumentException(getClassMethod(clazz, method) + " - to many body arguments given. " +
  					                                   "Missing argument annotation (@PathParam, @QueryParam, @FormParam, @HeaderParam, @CookieParam or @Context) for: " +
  					                                   param.getType() + " " + param.getName() + "!");
  				}
  
  				if (ParameterType.unknown.equals(param.getType())) { // proclaim as body param
  					// check if method allows for a body param
  					Assert.isTrue(definition.requestHasBody(), getClassMethod(clazz, method) + " - " +
  					                                           "Missing argument annotation (@PathParam, @QueryParam, @FormParam, @HeaderParam, @CookieParam or @Context) for: " +
  					                                           param.getName() + "!");
  
  					param.setType(ParameterType.body);
  				}
  
  				if (ParameterType.body.equals(param.getType())) {
  					bodyParamCount++;
  				}
  			}
  
  			out.put(definition, method);
  		}
  
  		return out;
  	}
docs: Extracts all JAX-RS annotated methods from class and all its subclasses and interfaces
  @param clazz to extract from
  @return map of routeDefinition and class method to execute