return usernameToSearch == null || person.hasUsername(usernameToSearch);
if(usernameToSearch == null) { return true; } String normalizedUsername = normalize(usernameToSearch.trim()); for (LoginAlias alias : person.getLoginAlias()) { String normalizedAlias = normalize(alias.getAlias()); if(normalizedAlias.indexOf(normalizedUsername) != -1) { return true; } } return false;
	private boolean verifyUsernameEquality(String usernameToSearch, Person person) {	    return usernameToSearch == null || person.hasUsername(usernameToSearch);	}