Function query_relation_with_resolver 

pub fn query_relation_with_resolver<'a, R: TypeResolver>(
    interner: &'a dyn TypeDatabase,
    resolver: &'a R,
    source: TypeId,
    target: TypeId,
    kind: RelationKind,
    policy: RelationPolicy,
    context: RelationContext<'a>,
) -> RelationResult

Query a relation using a custom resolver and no checker overrides.