@Override
	public boolean isCheckedOutExclusive() {
		if (isVersioned) {
			throw new UnsupportedOperationException(
				"isCheckedOutExclusive is not applicable to versioned item");
		}
		synchronized (fileSystem) {
			if (propertyFile.getLong(CHECKOUT_ID, DEFAULT_CHECKOUT_ID) != DEFAULT_CHECKOUT_ID) {
				return propertyFile.getBoolean(EXCLUSIVE_CHECKOUT, false);
			}
		}
		return false;
	}
@see ghidra.framework.store.FolderItem#isCheckedOut()
Ghidra/Framework/FileSystem/src/main/java/ghidra/framework/store/local/LocalFolderItem.java