public MergeMetadata withMergedBy(String mergedBy) {
        setMergedBy(mergedBy);
        return this;
    }
<p>
The Amazon Resource Name (ARN) of the user who merged the branches.
</p>

@param mergedBy
       The Amazon Resource Name (ARN) of the user who merged the branches.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-codecommit/src/main/java/com/amazonaws/services/codecommit/model/MergeMetadata.java