get() = this.calleeReference.calleeOrCandidateName

    private val FirReference.calleeOrCandidateName: Name?
        get() {
            if (this !is FirNamedReference) return null

            // In most cases, we can get the callee name from the callee's candidate symbols. However, there is at least one case where we
            // cannot do so:
            // ```
            // fun x(c: Char) {}