val group = r.group
        val module = r.module
        val expectedLength = group.length + 1 + module.length

        val isProvided = providedBy.any {
            // This method is called very often during dependency resolution.
            // This implementation avoids allocating new strings.
            it.length == expectedLength &&
                it[group.length] == ':' &&
                it.startsWith(group) &&