private static PsiAnnotationMethod findAnnotationMethod(PsiFile file, int offset) {
    PsiNameValuePair pair = ParameterInfoUtils.findParentOfType(file, offset, PsiNameValuePair.class);
    if (pair == null) return null;
    final PsiReference reference = pair.getReference();
    final PsiElement resolved = reference != null ? reference.resolve():null;
    return PsiUtil.isAnnotationMethod(resolved) ? (PsiAnnotationMethod)resolved : null;
  }
private static PsiAnnotationMethod findAnnotationMethod(PsiFile file, int offset)