@GetMapping({"/role", "/role/"})
	@PreAuthorize("hasAnyRole('A')")
	public EnumSet<Role> roleSet() {
		return EnumSet.allOf(Role.class);
	}
Save or Update user detail info.

@param user        current user
@param updatedUser user to be updated.
ngrinder-controller/src/main/java/org/ngrinder/user/controller/UserApiController.java