docs: @PutMapping("/employees/{id}")
  	public ResponseEntity<?> updateEmployee( //
  			@RequestBody EntityModel<Employee> employee, @PathVariable Integer id)
  	// end::put[]
  	{
  
  		EMPLOYEES.put(id, employee.getContent());
  
  		Link link = linkTo(methodOn(getClass()).findOne(id)).withSelfRel().expand();
  
  		return ResponseEntity.noContent() //
  				.location(link.toUri()) //
  				.build();
  	}