code: @Override
  	public boolean supports(CredentialItem... items) {
  		for (final CredentialItem item : items) {
  			if (item instanceof CredentialItem.StringType
  					&& item.getPromptText().startsWith(PROMPT)) {
  				continue;
  			}
  			else {
  				return false;
  			}
  		}
  		return true;
  	}
docs: {@inheritDoc}
  @return