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	static bool IsBerkeleyBtree(const fs::path &path) {			static bool IsBerkeleyBtree(const fs::path &path) {
	// A Berkeley DB Btree file has at least 4K.			// A Berkeley DB Btree file has at least 4K.
	// This check also prevents opening lock files.			// This check also prevents opening lock files.
	boost::system::error_code ec;			boost::system::error_code ec;
	if (fs::file_size(path, ec) < 4096) {			if (fs::file_size(path, ec) < 4096) {
	return false;			return false;
	}			}

	fs::ifstream file(path.string(), std::ios::binary);			fsbridge::ifstream file(path, std::ios::binary);
	if (!file.is_open()) {			if (!file.is_open()) {
	return false;			return false;
	}			}

	// Magic bytes start at offset 12			// Magic bytes start at offset 12
	file.seekg(12, std::ios::beg);			file.seekg(12, std::ios::beg);
	uint32_t data = 0;			uint32_t data = 0;
	// Read 4 bytes of file to compare against magic			// Read 4 bytes of file to compare against magic
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