JSON.stringify(require('mailspring-exports').CategoryStore._categoryCache);
var ChangeRoleMappingTask = require('mailspring-exports').ChangeRoleMappingTask;
var Actions = require('mailspring-exports').Actions;

// Fastmail uses the "Archive" folder for archiving mail
var task = new ChangeRoleMappingTask({role: "archive", path: "Archive", accountId: "<youraccountid>"});
Actions.queueTask(task);