fn validate_hero_talent_trees(
trees: &[HeroTalentTreeDesc],
spells: &FastSet<u32>,
auras: &FastSet<u32>,
) -> Result<(), DeclaredSpecMetadataError>fn validate_hero_talent_trees(
trees: &[HeroTalentTreeDesc],
spells: &FastSet<u32>,
auras: &FastSet<u32>,
) -> Result<(), DeclaredSpecMetadataError>