public String getTreeId() {
        return this.treeId;
    }
<p>
The tree ID of the merge in the destination or target branch.
</p>

@return The tree ID of the merge in the destination or target branch.
aws-java-sdk-codecommit/src/main/java/com/amazonaws/services/codecommit/model/MergeBranchesByFastForwardResult.java