import java.util.Map;
import java.util.concurrent.ExecutionException;
import java.util.logging.Level;
import java.util.stream.Collectors;
import javafx.application.Platform;
<BUG>import javafx.beans.property.SimpleObjectProperty;
import javafx.event.EventHandler;</BUG>
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Cursor;

import java.util.Map;
import java.util.concurrent.ExecutionException;
import java.util.logging.Level;
import java.util.stream.Collectors;
import javafx.application.Platform;
import javafx.beans.property.SimpleObjectProperty;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Cursor;
