this.passphrase = passphrase;
    }

    /**
     * Get the absolute path to the private key file.
     *
     * @return absolute path to private key
     */
    public String getPrivateKey() {
        return privateKey;
    }

    /**
     * Set the absolute path to private key file.
     *
     * @param privateKey path to private key in local file system
     */

                            authInfo.setUserName(server.getUsername());
                            authInfo.setPassword(server.getPassword());
                            authInfo.setPrivateKey(server.getPrivateKey());
                            authInfo.setPassphrase(server.getPassphrase());

                            return authInfo;
                        }
                    }
                }
            }

            AuthenticationBuilder authBuilder = new AuthenticationBuilder();
            authBuilder.addUsername(server.getUsername()).addPassword(server.getPassword());
            authBuilder.addPrivateKey(server.getPrivateKey(), server.getPassphrase());
            authSelector.add(server.getId(), authBuilder.build());

            if (server.getConfiguration() != null) {
                XmlNode dom = server.getDelegate().getConfiguration();

            AuthenticationBuilder authBuilder = new AuthenticationBuilder();
            authBuilder.addUsername(auth.getUsername()).addPassword(auth.getPassword());
            authBuilder.addPrivateKey(auth.getPrivateKey(), auth.getPassphrase());
            result = authBuilder.build();
        }
        return result;
    }

    private static Proxy toProxy(org.apache.maven.repository.Proxy proxy) {

                        }
                    }

                    Authentication authentication = new Authentication(server.getUsername(), server.getPassword());
                    authentication.setPrivateKey(server.getPrivateKey());
                    authentication.setPassphrase(server.getPassphrase());

                    repository.setAuthentication(authentication);
                } else {