public void setReplicatingFrom(java.util.Collection<String> replicatingFrom) {
        if (replicatingFrom == null) {
            this.replicatingFrom = null;
            return;
        }

        this.replicatingFrom = new java.util.ArrayList<String>(replicatingFrom);
    }
<p>
This response value is present only if this index is <code>Type=AGGREGATOR</code>.
</p>
<p>
A list of the Amazon Web Services Regions that replicate their content to the index in this Region.
</p>

@param replicatingFrom
       This response value is present only if this index is <code>Type=AGGREGATOR</code>.</p>
       <p>
       A list of the Amazon Web Services Regions that replicate their content to the index in this Region.
aws-java-sdk-resourceexplorer2/src/main/java/com/amazonaws/services/resourceexplorer2/model/GetIndexResult.java