public static Collection<GotoCompletionContributor> getContributors(final PsiElement psiElement) {
final Collection<GotoCompletionContributor> contributors = new ArrayList<GotoCompletionContributor>();
GotoCompletionRegistrarParameter registrar = new GotoCompletionRegistrarParameter() {
@Override
public void register(@NotNull ElementPattern<? extends PsiElement> pattern, GotoCompletionContributor contributor) {
if(pattern.accepts(psiElement)) {
contributors.add(contributor);
}