public static <T extends DomElement> DomFileElement<T> getFileElement(
@NotNull DomElement element) {
if (element instanceof DomFileElement) {
return (DomFileElement) element;
}
DomFileElement fileElement = element.getUserData(FILE_ELEMENT_KEY);
if (fileElement == null) {
DomElement parent = element.getParent();
if (parent != null) {
fileElement = getFileElement(parent);
}
element.putUserData(FILE_ELEMENT_KEY, fileElement);
}
return fileElement;
}
