fn validate_structure_assets(
structure_sets: &[(Identifier, StructureSet)],
structure_data: &FxHashMap<Identifier, StructureRef>,
structure_impls: &FxHashMap<Identifier, Box<dyn Structure>>,
)fn validate_structure_assets(
structure_sets: &[(Identifier, StructureSet)],
structure_data: &FxHashMap<Identifier, StructureRef>,
structure_impls: &FxHashMap<Identifier, Box<dyn Structure>>,
)