pub fn to_hakari_builder<'g>(
        &self,
        graph: &'g PackageGraph,
    ) -> Result<HakariBuilder<'g>, guppy::Error> {
        HakariBuilder::from_summary(graph, self)
    }
Creates a `HakariBuilder` from this summary and a `PackageGraph`.

Returns an error if this summary references a package that's not present, or if there was
some other issue while creating a `HakariBuilder` from this summary.
tools/hakari/src/summaries.rs