com.atlassian.event.api.EventPublisher
com.atlassian.jira.plugins.importer.imports.importer.JiraDataImporter
com.atlassian.jira.plugins.importer.tracking.UsageTrackingService
com.atlassian.jira.plugins.importer.web.ConfigFileHandler
com.atlassian.plugin.PluginAccessor
com.atlassian.plugin.web.WebInterfaceManager
