public void setAssetModelHierarchies(java.util.Collection<AssetModelHierarchy> assetModelHierarchies) {
        if (assetModelHierarchies == null) {
            this.assetModelHierarchies = null;
            return;
        }

        this.assetModelHierarchies = new java.util.ArrayList<AssetModelHierarchy>(assetModelHierarchies);
    }
<p>
A list of asset model hierarchies that each contain a <code>childAssetModelId</code> and a
<code>hierarchyId</code> (named <code>id</code>). A hierarchy specifies allowed parent/child asset relationships
for an asset model.
</p>

@param assetModelHierarchies
       A list of asset model hierarchies that each contain a <code>childAssetModelId</code> and a
       <code>hierarchyId</code> (named <code>id</code>). A hierarchy specifies allowed parent/child asset
       relationships for an asset model.
aws-java-sdk-iotsitewise/src/main/java/com/amazonaws/services/iotsitewise/model/DescribeAssetModelResult.java