void (@NotNull AnActionEvent e) { if (! enabled(e)) return; final Project project = e.getData(CommonDataKeys.PROJECT); final VcsFileRevision revision = e.getData(VcsDataKeys.VCS_FILE_REVISION); final VirtualFile revisionVirtualFile = e.getData(VcsDataKeys.VCS_VIRTUAL_FILE); SvnMergeSourceDetails.showMe(project, (SvnFileRevision) revision, revisionVirtualFile); }