private static int countHiddenDirPrefixChars(String name) {
		int count = 0;
		int length = name.length();
		for (int index = 0; index < length &&
			name.charAt(index) == HIDDEN_DIR_PREFIX_CHAR; index++) {
			++count;
		}
		return count;
	}
Unescape a non-hidden directory name
@param name
@return unescaped name or null if name is a hidden name
Ghidra/Framework/FileSystem/src/main/java/ghidra/framework/store/local/LocalFileSystem.java