Structure comes with a number of bundled synchronizers, but you can add another synchronizer to the system, allowing Structure users to install it on structures and run export / import.
Add structure-synchronizer module to your
atlassian-plugin.xml, referring to your implementation of the
3. Test Thoroughly
Test how your synchronizer works when other synchronizers are also installed onto the same structure.
This project can be used to bootstrap writing your own synchronizer. It compiles into a working plugin, which does not do anything except writing to console at the times the synchronizer would do some work.
You can download the sources zip with the sample synchronizers at API Usage Samples page.