private void fillTextFieldWithExistingAssignee() {
PickerAssignee.getExistingAssignee(originalUsers)
.map(PickerAssignee::getLoginName)
.ifPresent(this::fillTextFieldWithUsername);
}
private void updateExistingAssignee(List<PickerAssignee> users, FlowPane assignedUserPane) {
Optional<PickerAssignee> existingAssignee = PickerAssignee.getExistingAssignee(users);
Node existingAssigneeNode = createExistingAssigneeNode(existingAssignee);
assignedUserPane.getChildren().add(existingAssigneeNode);
}