}

    /**
     * Checks whether `this` expression references the closest receiver in the current position.
     *
     * If it is the case, then we can safely remove the label from it (if it exists).
     */
    private fun FirThisReference.referencesClosestReceiver(): Boolean {
        require(!isImplicit) {
            "It doesn't make sense to handle implicit this references"
        }