public String getToKey() {
        return this.toKey;
    }
<p>
After the apply mapping, what the name of the column should be. Can be the same as <code>FromPath</code>.
</p>

@return After the apply mapping, what the name of the column should be. Can be the same as <code>FromPath</code>.
aws-java-sdk-glue/src/main/java/com/amazonaws/services/glue/model/Mapping.java