pub fn prop010_resolver_strategy(&self) -> impl Strategy<Value = Prop010Resolver> {
        // Generate a FixedBitSet to filter based off of.
        fixedbitset_strategy(self.dep_graph.edge_count()).prop_map(Prop010Resolver::new)
    }
Returns a `Strategy` that generates a random `PackageResolver` instance from this graph.

Requires the `proptest1` feature to be enabled.
guppy/src/graph/proptest_helpers.rs