public Collection<PsiField> getFields(@NotNull final String s, @NotNull final Project project, @NotNull final GlobalSearchScope scope) {
    return StubIndex.getElements(getKey(), s, project, new JavaSourceFilterScope(scope), PsiField.class);
  }
public Collection<PsiField> getFields(@NotNull final String s, @NotNull final Project project, @NotNull final GlobalSearchScope scope)