credentials.xml

<?xml version='1.0' encoding='UTF-8'?>
<com.cloudbees.plugins.credentials.SystemCredentialsProvider plugin="credentials@1$
  <domainCredentialsMap class="hudson.util.CopyOnWriteMap$Hash">
    <entry>
      <com.cloudbees.plugins.credentials.domains.Domain>
        <specifications/>
      </com.cloudbees.plugins.credentials.domains.Domain>
      <java.util.concurrent.CopyOnWriteArrayList>
        <com.cloudbees.jenkins.plugins.sshcredentials.impl.BasicSSHUserPrivateKey $
          <scope>GLOBAL</scope>
          <id>a7e579f7-1b7c-4ffd-a3d3-ec2df69aa7c9</id>
          <description></description>
          <username>root</username>
          <passphrase></passphrase>
          <privateKeySource class="com.cloudbees.jenkins.plugins.sshcredentials.im$
        </com.cloudbees.jenkins.plugins.sshcredentials.impl.BasicSSHUserPrivateKey>
      </java.util.concurrent.CopyOnWriteArrayList>
    </entry>
  </domainCredentialsMap>
</com.cloudbees.plugins.credentials.SystemCredentialsProvider>