@NotNull
  static List<LineMarkerInfo<PsiElement>> collectServiceProviderMethod(@NotNull PsiMethod method) {
    PsiClass containingClass = method.getContainingClass();
    PsiClass resultClass = PsiUtil.resolveClassInType(method.getReturnType());
    return createJavaServiceLineMarkerInfo(method.getNameIdentifier(), containingClass, resultClass);
  }
@NotNull
  static List<LineMarkerInfo<PsiElement>> collectServiceProviderMethod(@NotNull PsiMethod method)