public java.lang.String getFrameUrl() {
      java.lang.Object ref = frameUrl_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        frameUrl_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
<pre>
If the vulnerability was originated from nested IFrame, the immediate
parent IFrame is reported.
</pre>

<code>string frame_url = 8;</code>

@return The frameUrl.
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1alpha/src/main/java/com/google/cloud/websecurityscanner/v1alpha/Finding.java