@Nullable
  private PsiAnnotation getInferredNullabilityAnnotation(PsiMethodImpl method) {
    if (hasExplicitNullability(method)) {
      return null;
    }
    Nullability nullability = JavaSourceInference.inferNullability(method);
    if (nullability == Nullability.NOT_NULL) {
      return ProjectBytecodeAnalysis.getInstance(myProject).getNotNullAnnotation();
    }
    if (nullability == Nullability.NULLABLE) {
      return ProjectBytecodeAnalysis.getInstance(myProject).getNullableAnnotation();
    }
    return null;
  }
@Nullable
  private PsiAnnotation getInferredNullabilityAnnotation(PsiMethodImpl method)