// 'f:<name>', where <name> is the name of a field in a struct, or key in a map
// 'v:<value>', where <value> is the exact json formatted value of a list item
// 'i:<index>', where <index> is position of a item in a list
// 'k:<keys>', where <keys> is a map of  a list item's key fields to their unique values
// If a key maps to an empty Fields value, the field that key represents is part of the set.
//

                        // `calleeReference.resolvedSymbol` isn't guaranteed to be callable. For example, function type parameters used in
                        // expression positions (e.g. `T` in `println(T)`) are parsed as `KtSimpleNameExpression` and built into
                        // `FirPropertyAccessExpression` (which is `FirResolvable`).
                        is FirCallableSymbol<*> -> {