public Builder mergeSubmission(com.google.webrisk.v1.Submission value) {
      if (submissionBuilder_ == null) {
        if (((bitField0_ & 0x00000002) != 0)
            && submission_ != null
            && submission_ != com.google.webrisk.v1.Submission.getDefaultInstance()) {
          getSubmissionBuilder().mergeFrom(value);
        } else {
          submission_ = value;
        }
      } else {
        submissionBuilder_.mergeFrom(value);
      }
      if (submission_ != null) {
        bitField0_ |= 0x00000002;
        onChanged();
      }
      return this;
    }
<pre>
Required. The submission that contains the URI to be scanned.
</pre>

<code>
.google.cloud.webrisk.v1.Submission submission = 2 [(.google.api.field_behavior) = REQUIRED];
</code>
java-webrisk/proto-google-cloud-webrisk-v1/src/main/java/com/google/webrisk/v1/SubmitUriRequest.java