public void setMergeMetadata(MergeMetadata mergeMetadata) {
        this.mergeMetadata = mergeMetadata;
    }
<p>
Returns metadata about the state of the merge, including whether the merge has been made.
</p>

@param mergeMetadata
       Returns metadata about the state of the merge, including whether the merge has been made.
aws-java-sdk-codecommit/src/main/java/com/amazonaws/services/codecommit/model/PullRequestTarget.java