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

        this.sourceRegions = new com.amazonaws.internal.SdkInternalList<String>(sourceRegions);
    }
<p>
The <code>SyncSource</code> Amazon Web Services Regions included in the resource data sync.
</p>

@param sourceRegions
       The <code>SyncSource</code> Amazon Web Services Regions included in the resource data sync.
aws-java-sdk-ssm/src/main/java/com/amazonaws/services/simplesystemsmanagement/model/ResourceDataSyncSource.java