/guava/android/guava/src/com/google/common/graph/StandardMutableGraph.java
} this.backingValueGraph = new StandardMutableValueGraph<>( builder) ;
this.backingValueGraph = new StandardMutableValueGraph<> ( builder ) ; }
package com.google.common.graph; import com.google.common.graph.GraphConstants.Presence; @ElementTypesAreNonnullByDefault final class StandardMutableGraph<N> extends ForwardingGraph<N> implements MutableGraph<N> { private final MutableValueGraph<N, Presence> backingValueGraph; StandardMutableGraph(AbstractGraphBuilder<? super N> builder) { <extra_id_0> @Override BaseGraph<N> delegate() { return backingValueGraph; } @Override public boolean addNode(N node) {