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Prepare TeamCity and Jira before using the plugin:
- Set up integration from TeamCity to Jira and fetch project keys.
- Configure integration between Jira and TeamCity and grant appropriate roles to a TeamCity user.
- Subscribe to TeamCity Integration app in UPM.
- Create the connection to TeamCity server (navigate to Jira Administration > Jira Settings > Apps > TeamCity Configuration > TeamCity Servers).
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