{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"///"}]}
    /// Whenever a tuple field expression access a tuple field, we allocate a tuple id in
    assoc_resolutions: FxHashMap<ExprOrPatId, (AssocItemId, Substitution)>,
    /// [`InferenceContext`] and store the tuples substitution there. This map is the reverse of