@Override
  public PsiReference @NotNull [] getReferencesByElement(final @NotNull PsiElement element, @NotNull ProcessingContext context) {
    final Object value = ((PsiLiteralExpression)element).getValue();
    if (!(value instanceof String)) return PsiReference.EMPTY_ARRAY;
    return getReferences(element, preprocessValue((String)value), myAcceptedExtension);
  }
@Override
  public PsiReference @NotNull [] getReferencesByElement(final @NotNull PsiElement element, @NotNull ProcessingContext context)