make return type more precise
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@ -18,7 +18,7 @@ import com.ibm.wala.util.graph.NumberedGraph;
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*/
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public class GraphInverter {
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public static <T> Graph<T> invert(final NumberedGraph<T> G) {
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public static <T> NumberedGraph<T> invert(final NumberedGraph<T> G) {
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return new InvertedNumberedGraph<T>(G);
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}
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