void (Project project, Object sessionId) { if (project.isDisposed()) { return; } final ContentManager contentManager = MessageView.getInstance(project).getContentManager(); for (Content content : contentManager.getContents()) { if (!content.isPinned()) { if (CONTENT_ID_KEY.get(content) == myContentId || SESSION_ID_KEY.get(content) == sessionId) { contentManager.removeContent(content, true); } } } }